what to feed saltwater fish

what to feed saltwater fish
what to feed saltwater fish
Anyone who has ever had a pet knows that one of the first things a
responsible pet owner does is make sure their pet has a balanced diet.
They know that the healthy their pets eat, the more likely they are to lead long and healthy lives. Fish kept in saltwater fish aquariums are exactly the same.
The responsible saltwater aquarium owner knows exactly what
types of food his fish needs to survive and makes sure they keep a ready supply of it on hand.
The first thing you need to know about feeding tropical fish is how much food they should be getting and what to feed saltwater fish
The general rule of thumb is that when you feed your fish use a stopwatch and time how long it takes them to eat.
It should take approximently two minutes for the fish to finish eating. If the fish in your tank finish their food in less then two minutes they probably aren’t getting enough to eat.
If after two minutes there is still food left over then they are
probably getting over fed and you’ll have to cut back.
A more accurate way of measuring how much food that fifty adult
tropical fish should eat approximately ten grams of food in one
month, but that can carry with variety and growth.
A balanced fish food typically consists of ten percent fat, thirty to
thirty-six percent protein. There should also be amino acids.
The first step in feeding your fish responsibly is knowing what type of food they eat.
Some fish can not be kept in a tank that has coral because they like
to eat the little invertebrates that make the coral their home.
Predatory fish typically need to have frozen or live food. Bottom
dwelling fish should be fed a type of food that is heavy enough to
sink to the bottom of the tank, these fish do not do well with fish foods that float on the tanks surface.
Aquarium owners who are interested in breeding their tropical fish
often feed their fish brine shrimp, which they raise in their own brine shrimp hatchery.
Many saltwater fish aquariums caretakers like using automatic fish food feeders. Automatic fish food feeders are feeders that can be clamped to the side of the aquarium.
Once the fish owner has loaded the hopper with food, the feeder
will automatically dispense the food at regular intervals, this allows
the fish owner to have more flexibility and not be forced to arrange
their schedules around feeding their fish.
The average automatic fish food feeder is not capable of dispensing
frozen or live food, which does make them convenient for predatory fish. Some absentee fish owners place food blocks in their aquariums.
Tropical fish owners should store their extra fish food in a cool dry
place in containers that won’t allow moisture to seep in. Frozen fish food should be disposed of after three months.
One of the dangers in overfeeding fish is that the wasted food can
wreck havoc on the pH levels of your aquariums water.
If to much discarded food is contaminating the water it can contribute to the death of your fish.
What do saltwater fish like to eat?
In a saltwater aquarium, many fish (even carnivores) can be weaned off of their usual fare in the wild and coaxed into taking hand fed foods such as pellets and flakes with their protein requirements being supplemented with frozen foods such as mysid shrimp, fish, squid, or krill.
What is the best food for saltwater fish?
For example, clownfish will often be fed various shrimp and small sea foods, fish flakes and pellets, and seaweed. A balanced diet between meat and herbs will keep omnivores colorful, healthy, and active. Fish pellets and flakes are best for omnivores as they contain both vegetables, algae, and meaty foods.
If you only feed your herbivore fish once every 2 or 3 days, it is not the way most fish eat in the wild, which is what we should try to duplicate as closely as possible. In my experience, feeding twice per day, only what is consumed in about 2 minutes has been the best.
Can I feed saltwater fish with freshwater food?
One of the most important aspects of maintaining an aquarium is Saltwater Tropical Fish Feeding. … It’s always a good idea to vary the diet of your fish and to introduce live foods occasionally. Flakes foods, freeze dried shrimp and freeze dried bloodworms can usually be used for either freshwater or saltwater fish.
How long can saltwater fish go without eating?
about two weeks
Beyond that, you’ll definitely want to make some accommodation to have the fish fed—even if just every two or three days. With respect to persuading a finicky new specimen to start eating, which often takes several days, I usually don’t start to get nervous until the fish is approaching about two weeks without food.
Clownfish require a rich diet consisting of meat and a small proportion of plant matter. Sometimes live food should be given to clownfish. That way, the predatory instinct of clownfish is satisfied.

The diet of a clownfish
  • Cooked mussels.
  • White fish.
  • Squid.
  • Peeled shrimp.
  • Cockles.
  • Octopus.
  • Chicken livers.
  • Small crustaceans.

Can you feed bloodworms to saltwater fish?
Tetra BloodWorms Freeze-dried Freshwater & Saltwater Fish Food are rich in protein and make an excellent supplement to flake and staple diets.

How often should I feed clownfish?
Mixing in some frozen foods or even live foods will keep your clownfish happy and healthy for years. It is best to feed at least once per day. However, depending on the size of the tank and the other inhabitants, clownfish will do just fine being fed every other day.

However, nightcrawlers and other earthworms can be used for smaller sea fish, like panfish, flounder, sea bass, school-sized stripers, and fluke. In fact, some larger species of earthworms do well in saltwater, as they tolerate near-freezing water.

A Sprinkle of Salty Fun Saltwater Aquarium

fun saltwater aquarium

Having a saltwater aquarium can be fun and rewarding or can be
upsetting if a person lacks knowledge on the proper and right ways
of taking care of fish especially in the saltwater aquarium.

Setting up one requires some equipment to be used for the success of your saltwater aquarium.

Filters and air pump are some of the most important facilities.

Some decorations can be added such as sand and gravels, which
sometimes varies in different colors.

You can also include plastic or real plants, castle or miniatures ship
and other fancy decorations in the aquarium, but just be very careful that it won’t clutter inside.

Light is also essential in saltwater aquarium for the enhancement of
the color of the aquarium and especially the fishes survival.

Saltwater aquarium requires three types of filtration. One is the
Biological filtration, which involves the removal of the bacteria,
which is often created by the fish on its activities, and processes that it undergoes inside the tank.

Second, the chemical filtration that is more on the removing of the
discoloration and chemicals on the water that harms the fish inside the tank.

Third, is the mechanical filtration, which deals more with the
removal of the visible materials floating on the aquarium such as
uneaten fish foods, wastes of the fishes and other squanders
floating or at the bottom of the saltwater aquarium, and this job is commonly done by the net.

There are many considerations regarding the proper ways in
keeping the fish alive in a saltwater aquarium, unlike freshwater
aquariums; saltwater aquarium is more difficult to set up.

One very good example is mixing saltwater. We must remember
that water evaporates while the salt is left, which means that the
salinity of the water on the tank always varies, which can cause
harm especially on the fishes inside the aquarium.

A hydrometer may help you track the salinity of the water and add
some salt to get the right salinity content of the water.

Beginners can set up their saltwater aquarium depending on what they like.

You can just put fish only in the aquarium, or fish with full reef
ambience, or whatever design you want, as long as it you make sure
that the fish inside the aquarium would be able to survive.

Experienced aquarists and experts say that we must always find the
perfect place for the aquarium in the house.

If the location of your saltwater aquarium is always struck by
sunlight, it may result to changes on the temperature of the water
on the tank and would produce more algae due to the sun and its UV rays, which may harm your fish inside the aquarium.

18 Best Saltwater Aquarium Fish for Beginners
Tangs. One of the things that make Tangs a great choice for beginners is that they’re hardy and resilient as well as extremely beautiful. …
Watchman Goby. The watchman goby is one of the best picks for beginners. …
Chalk Bass. …
Damselfish. …
Dottyback. …
Clownfish. …
Firefish. …
Coral Beauties.

Are saltwater tanks hard to maintain?

You will need to perform regular water changes and tank cleans, in addition to running a protein skimmer.

Providing you keep on top of your maintenance, algae won’t be a problem for saltwater aquariums.

However, it is true that saltwater aquariums do tend to grow more algae than freshwater aquariums.

What is the best saltwater tank setup?

The best saltwater aquariums you can buy
1/5. The best saltwater aquarium overall. Fluval. …
2/5. The best mini reef tank. Fluval. …
3/5. The best nano reef tank. Coralife. …
4/5. The best saltwater tank under 50 gallons. Innovative Marine Nuvo/Business Insider. …
5/5. The best saltwater tank with more than 50 gallons. SC Aquarium.

Which is easier freshwater or saltwater aquarium?

Freshwater inhabitants tend to be much hardier and generally less expensive than saltwater aquarium inhabitants. … And they are a bit more precarious to maintain than their freshwater counterparts. They generally require additional equipment, additional work during water changes and also require special lighting.

Are clown fish good for beginners?

Photo from Wikipedia

On the positive side, Clownfish are ideal beginner fish, since they are easy-to-care-for, hardy, and don’t require a huge aquarium to survive happily.

Because wild clownfish always stay in or near anemones in a reef environment, they require very little space. They readily eat most fresh, frozen, and dried foods.

How much does it cost to maintain a saltwater aquarium?

The costs for setting up a habitat vary based on your tank size, the type of fish you want, and the overall appearance of your saltwater aquarium. Not including materials, the setup fee cost can range between $300 and $500 on average.

How small can a saltwater tank be?
The smallest tank for beginners should be no less than 20 gallons, with 55 gallons being even better. For someone versed in fish keeping (i.e., converting from fresh to saltwater), a 10 or 15 gallon tank will work, but is not suggested. In general, fish like long, wide tanks.

Do you need a special tank for saltwater fish?

Saltwater Fish Tanks. You can use any fish tank for your saltwater setup, it doesn’t have to be special in any way or designated for saltwater use. You can also use a freshwater filter for your saltwater aquarium, no changes needed there. … Instead, your saltwater tank should use sand, aragonite, or crushed corals.

How many fish can be in a saltwater tank?
This rule has many variations, but the most common version holds that you should stock 1 inch per 2-5 gallons of water. This means a 30-gallon tank could hold 6 to 15 1-inch fish, or 2 to 4 3-inch fish.

Best LED Aquarium Lighting for Corals, Reef Tanks Reviews
Wattshine 140W-180W LED Coral Light. …
MicMol LED Aquarium Light for Saltwater Coral Reef Fish Marine Tank. …
Phlizon 165W Dimmable Full Spectrum Aquarium LED Reef Decoration Light. …
Marineland Reef LED Strip Light. …
Current USA Fixture Orbit Marine Pro LED Light.

Checklist of Items Needed to Start a Saltwater Aquarium
Aquarium/Tank. …
Lighting. …
Skimmers, Filters & Filtration Equipment. …
Powerhead. …
Live Rock & Substrate. …
Sea Salt Mix/Saltwater & Hydrometer. …
Heater & Thermometer. …
Air Pump & Air Stones.

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how to setup a saltwater aquarium

how to do water change on saltwater aquarium

how to setup a saltwater aquarium

add course substrate

Following on from our introduction to saltwater aquariums this
segment is designed to give you some idea of a typical saltwater aquarium setup.

The type of saltwater aquarium setup you choose depends on a few factors. For example, the kinds of species you want to stock, the space you have available, and your budget.

In general you will want to buy the biggest saltwater aquarium
setup you can afford that will fit nicely into your living environment.

This is so that your fish and other animals can have the most comfort possible as they grow.

The fish and other invertebrates that you choose to stock your tank
with need enough space to swim and grow in and enough oxygen to survive.

When you choose a saltwater aquarium setup remember that these
two factors are determined mainly by the size of the tank.

So let’s talk about the oxygen component of a saltwater aquarium setup.

The amount of oxygen in the water is related to the tanks surface area.

This means the amount of area on the tank’s surface that is exposed to the air.

The greater the surface area of your saltwater aquarium setup, the
more room there is for exchange of oxygen to happen at the surface.

The more oxygen that is allowed to enter the tank and the more
harmful gases like carbon dioxide are allowed to leave the healthier
your saltwater aquarium setup will be.

The oxygen content of the water is also influenced by its temperature.

In general, the warmer the water, the lower the oxygen content will be.

Most marine species from the tropics like water that is 75 degrees or
higher so this means that less oxygen is going to be available to them.

This is when it becomes important to increase the surface of the
tank by making sure your saltwater aquarium setup is as large as possible.

How do you do this? There is no typical saltwater aquarium setup. Marine tanks come in a variety of shapes and size, but it is the
shape of the tank, not its volume that influences surface area.

This means that even where two tanks have identical volumes they
might not have the same surface area depending on their shape.

A saltwater aquarium setup that is tall and slender won’t get a good rate of gas exchange.

An ideal design would be one that is short and wide.

Once you’ve chosen your tank its time to start thinking about its residents. Of course the size of your tank is going to dictate how many fish and invertebrates it can house.

The main thing to avoid in your saltwater aquarium setup is overcrowding.

Too many inhabitants and your tank’s filtration system will be overloaded.

Fish living in cramped conditions become stressed and this can lead to illness and death.

You can calculate how many fish your saltwater aquarium setup will
hold by stocking one inch of fish per four gallons of water for a period of six months.

After this period increase the number of fish slowly to one inch per two gallons.

This means that a 40 gallon aquarium should not contain more than 10 inches of fish for the first six months.

So, for example, you might choose one 3-inch queen angel, two 1-
inch clownfish, one 2-inch regal tang, one 1-inch bicolor blenny and two 1-inch Beau Gregory’s.

Once the six month period is over you could increase the total
number of inches in your saltwater aquarium setup to 20.

Of course, your fish are going to grow so you have to adjust for the changing sizes of your fish.

The shape of your fish is also important. If your fish are likely to be
on the heavy side you will need to stick to the low end of the capacity of your saltwater aquarium setup.

A saltwater aquarium setup will cost you time and money so accept this and don’t skimp. Even if you devote considerable time and effort to a small tank you can still encounter problems.

If you choose the wrong one initially you will probably end up
having to buy another one and this may be discouraging.

In short, if you don’t have the money to buy a tank that’s at least 30 gallons, don’t invest any money at all.

When you choose a saltwater aquarium setup there are many options.

You can choose from glass and acrylic and you can even get reef-
ready styles complete with pre-drilled holes for equipment and plumbing.

Glass tanks sealed with silicon rubber cement are a common choice.

Rectangle designs are popular but they are also found in octagon and hexagon. They are non-toxic and don’t scratch easily.

The downside to a glass saltwater aquarium setup is that they are heavy.

This means that large tanks will have very thick glass. Try to find one with a plastic frame that will make the tank more stable.

Plated glass is shatterproof but not as strong as tempered.

An acrylic saltwater aquarium setup is molded with few seams so
they are more transparent.

However your view may still be distorted at the corners. Acrylic tanks are not as heavy as glass and so come in a wider variety of shapes and sizes.

Acrylic is also stronger than glass. On the downside acrylic tanks can get scratched and are more expensive than glass.

They are easily scratched by algae scrapers and decorations. It is possible to buff these marks out with a special kit.

Whichever saltwater aquarium setup you choose make sure it
provides a healthy environment for your fish.

You also need to make sure that you can afford to maintain it
properly and that it suits your lifestyle and available time.

Once you have everything set up correctly you will be able to enjoy
the colorful antics and shapes of your fishy friends, corals and other invertebrates.

Lighting considerations
Lighting the marine aquarium is both an art and a science.

In an ideal setup, the light should appear natural, and should
enhance the colors and forms of the tank occupants, but it must
also be of the correct intensity and quality to sustain life.

Achieving this balance requires some planning, especially in reef tanks.

The marine fishkeeper is presented with an apparently bewildering
variety of lighting alternatives; choosing the right one depends
largely on the types of marine organism housed in the aquarium.

Most fish are tolerant of a wide range of lighting conditions, so for a
fish-only setup it is usually enough to provide lighting that displays
the fish most effectively.

Light levels should not, however, be set too low, or the growth of
undesirable red/brown algae will be encouraged.

Lighting a reef tank is a very different matter. Many invertebrates
in reef aquariums, such as corals and anemones, only survive
because they form partnerships with tiny photosynthetic algae that
live inside their bodies (see box, below).

If the algae do not receive sufficient light, they die,

how to setup a saltwater aquarium

along with their hosts. In their natural setting—shallow reefs in
tropical seas—these organisms are exposed to bright light from the
sun for eight to ten hours per day, and these conditions must be
replicated with artificial lighting if they are to survive in a tank.

Using sunlight to illuminate the aquarium is not a viable option. Instead, special tubes and bulbs, usually mounted in a specially
made hood, are used to simulate both the intensity and the quality of light falling on a reef.

A natural coral reef has many different zones of light. Colored
corals predominate in the sunlight zone.

Deeper down, leather corals, anemones, tubeworms, and others
are more prevalent.

Darker areas are occupied by soft corals, sponges, and invertebrates that lack zooxanthellae.


LIGHT AND INVERTEBRATES how to setup a saltwater aquarium

Certain invertebrates, such as various sea anemones, corals, and
some mollusks, contain photosynthetic algae called zooxanthellae in their fleshy bodies.

This is a symbiotic relationship in which the algae supply their host
invertebrate with food and oxygen, and in return receive shelter
and take up some by-products of the animals.

When a sea anemone (bottom left) opens its tentacles, the
maximum amount of light reaches its algal partners; the tiny
greenish bodies of the zooxanthellae are visible in the close-up of a
coral polyp (below right).

However, not all invertebrates in a marine tank thrive under high
light levels, and there should be suitable retreats in an aquarium if it is to house crabs and sponges.

how to setup a saltwater aquarium marine aquarium fish

A reef tank changes in appearance between day (left)
and night (right). When lit, corals and anemones open; in
the dark, they close up and fish may appear duller in color

The algae within corals and anemones need light at the blue
end of the visible spectrum (see box, right) to photosynthesize.

For this reason, marine aquarists tend to light their tanks with
fluorescent actinic tubes that strongly emit blue wavelengths.

Often, a more neutral daylight-simulating tube is used alongside
the actinic tube to replicate the viewing conditions under sunlight
and eliminate any bluish cast.

Regular domestic (tungsten or halogen) bulbs are not suitable,
because the light quality is inappropriate, and because they
generate excessive heat, which tends to increase water temperature and cause evaporation.

Fluorescent tubes are available in a range of lengths to suit almost any size of tank.

They have a long life-span (up to two years) and specialized tubes
are designed to deliver a consistent high output throughout their life.

In the case of marine invertebrate set-ups, however, powerful metal
halide bulbs may be the best option, but must incorporate an
ultraviolet filter for safety.

Mercury vapor lights are another possibility, but are costly and run
very hot, so need to be carefully mounted in order to disperse the heat produced.


Natural daylight is made up of a mixture of wavelengths (colors
of light)—literally all the colors of the rainbow.

However, most fluorescent tubes and light bulbs emit light at some
wavelengths in preference to others.

In the marine aquarium, it is vital to select lighting that supplies the
wavelengths of light that are needed by plants and by symbiotic algae.

If you are in any doubt, consult your aquarium dealer.

natural daylight spectrum

Sunlight contains more or less equal proportions of all wavelengths of light.

As it passes through water, red and yellow components are filtered
out, which is why reefs appear to be bathed in blue light.

To set up a reef aquarium, it is essential to duplicate these lighting
conditions using bulbs or fluorescent tubes (below).

artificial light spectrum

Siting and substrate

There are no firm rules about where to position a marine aquarium
in the home, but following a few simple guidelines will help
maximize the health of the fish, and ensure human safety.

The choice of substrate (such as gravel or sand) greatly influences
the overall appearance of the tank, and is more than just cosmetic.

Substrate composition directly affects water chemistry, and so
influences the long-term welfare of the fish.

Siting and substrate Place the tank on sponge matting Wash out the tank to remove dust or glass spicules.

Glass aquariums need to be rested on special sponge matting to
absorb any unevenness in the surface beneath.

Fit the undergravel filter Lay the corrugated plastic of the filter
plate, with uplift tube attached, on the base of the tank.

The plate can be cut to size, and should cover the whole base area.

Positioning the tank

Aquariums should never be moved if they contain water, sand,
or gravel because their great weight makes them prone to

The larger the tank, the longer it takes to empty and strip down for
moving; so for marine aquariums, which tend to be larger than
their freshwater counterparts, getting the location right the first time is particularly important.

As a general rule, set up the tank in the room where you spend
most time, and position it at eye level for the best views of the

Taller tanks provide eye-level interest whether seated or standing,
and are a good choice for compact rooms where there is only space for a tank with a small base.

Support the aquarium on a specially built stand or cabinet; if you
use an existing piece of furniture, make sure it is strong enough
to take the weight of the filled tank and will not be damaged
by spillages.

Allow enough space around the tank for routine saltwater aquarium maintenance—you
should be able to reach all inner and outer
surfaces of the glass without stretching.

saltwater aquarium

Marine aquariums may be used architecturally, built into walls, or set up as room dividers.

They should not, however, be sited in rooms where cigarette smoke
can build up, because this can diffuse into the water and harm fish and invertebrates.


Most marine aquariums are equipped with an undergravel filter, in
addition to a power filter .

The filter medium is the substrate itself—typically, crushed coral or
shell, covered with finer coral sand—which becomes colonized by beneficial aerobic bacteria.

A mesh net separates the two layers, thus maintaining the flow of water through the filter bed.

Always buy prepared substrate from a reputable aquarium dealer,
and check it thoroughly for foreign bodies, such as fragments of
plastic, metal, and glass, before placing it in the tank.

place the tank on sponge matting

1.)Place the tank on sponge matting Wash out the tank to remove dust or glass spicules.

Glass aquariums need to be rested on special sponge matting to
absorb any unevenness in the surface beneath.

Fit the undergravel filter

2.)Fit the undergravel filter Lay the corrugated plastic of the filter
plate, with uplift tube attached, on the base of the tank.

add course substrate

3.) Add coarse substrate Place a layer of calcareous substrate— washed in aquarium disinfectant and well rinsed—onto the filter plate to a depth of about 2 in (5 cm), and spread it out evenly

fit the gravel mesh

4.) Fit the gravel mesh Lay the mesh net over the coarse substrate layer, turning the edges down.This will prevent the sand from sinking and filling in the spaces between the coarser grains.

Cover with coral sand

5.) Cover with coral sand Pour fine coral sand onto the mesh to a depth of about 1 in (2.5 cm). Shape the sand layer to the desired form, typically sloping it forward toward the front of the tank.

The plate can be cut to size, and should cover the whole base area.

Avoid placing the aquarium where it will be exposed to direct
sunlight, because you will then lose control over the light
intensity and temperature in the tank.

Water and electricity don’t mix, so it is essential to keep cabling
short and neat; avoid using messy extensions and always consult a
professional electrician if you have any doubts about your system.

Never plug pumps or filters into switched outlets—it is
all too easy inadvertently to flip the wrong wall switch and
shut off the tank’s life support systems.


  • Keep the tank clear of heaters, air conditioning units, and windows. Sudden changes in temperature can be lethal to fish.
  • Be prepared to rearrange the room décor to display the tank to best effect.
  • Consider how easy it will be to service the tank.
  • Place the tank on a completely level surface.

acrylic tanks

Acrylic admits about 15 percent more light than glass of
comparable thickness, and it can be shaped into more unusual
forms with rounded corners.

Acrylic tanks are preferred by some marine aquarists.
They are lighter and easier to handle than glass, and holes may be
drilled through them to conceal inlet and outlet pipes.

However, they do scratch more readily than conventional glass
tanks, and are more expensive

Substrate matters
The substrate in a marine aquarium is not just for decoration.
Some fish, such as jawfish , like to burrow, so the sand or gravel used must be of a suitable texture.

The substrate is also important in maintaining water chemistry;
thanks to its calcium carbonate content, it acts as a buffer,
helping to counter the progressive acidification of the water. And, when an undergravel filter is used, the substrate also serves as a filter bed.

In this case, the size and depth of the substrate particles is key; the
substrate needs to be deep enough to be effective as a filter, and water must be able to pass between the particles.

Usually, the filter plate is covered with a layer of coarse material
(see below), such as crushed coral, shell, or dolomite chips (all of which are high in calcium carbonate).

Coral sand or aragonite sand is then laid on top of this to create a more natural appearance.


A tank’s inlet and outlet tubes are rather unsightly, but are easily
hidden behind a backdrop, stuck to the outside rear of the tank.

Commercially available backdrops made from fade-resistant,
waterproof plastics feature all sorts of images, from reef scenes,
which create a good illusion of depth, to tropical beaches and
even lunar landscapes.



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How much does it cost to set up a saltwater aquarium?

The costs for setting up a habitat vary based on your tank size, the type of fish you want, and the overall appearance of your saltwater aquarium. Not including materials, the setup fee cost can range between $300 and $500 on average.

What is needed to start a saltwater tank?
Checklist of Items Needed to Start a Saltwater Aquarium
Aquarium/Tank. …
Lighting. …
Skimmers, Filters & Filtration Equipment. …
Powerhead. …
Live Rock & Substrate. …
Sea Salt Mix/Saltwater & Hydrometer. …
Heater & Thermometer. …
Air Pump & Air Stones.

Can any tank be a saltwater tank?
The aquariums themselves are not specifically designed for use as either a freshwater or saltwater tank. Therefore, you can use the same tank if you want to change the system type. However, freshwater aquatic creatures cannot live in saltwater set up.

Are saltwater aquariums hard to maintain?
You will need to perform regular water changes and tank cleans, in addition to running a protein skimmer. Providing you keep on top of your maintenance, algae won’t be a problem for saltwater aquariums. However, it is true that saltwater aquariums do tend to grow more algae than freshwater aquariums

Is it expensive to maintain a saltwater aquarium?
Saltwater aquarium in particular can be more expensive. And they are a bit more precarious to maintain than their freshwater counterparts. They generally require additional equipment, additional work during water changes and also require special lighting.

how to do water change on saltwater aquarium

add more water how to do water change on saltwater aquarium

how to do water change on saltwater aquarium

As with people fish thrive when kept in an environment as close to their own as possible.

For this reason aquariums should be carefully structured to imitate
the natural environments of the species it is home to as closely as possible.

Even if it is not possible to duplicate exactly the living conditions
found in the deep blue the fish will benefit from the effort.

Fish are also very adaptable creatures. It is what allows them to live
and thrive in captivity when many other marine animals are unable to make the change.

The fish will adapt to the environment around them and learn to live in the conditions of their tank.

It is important that these conditions remain as constant as possible. As in nature a tip in the balance of the elements in an aquarium can bring with it devastating consequences.

It is important that changes in the aquarium environment be few and far between.

This is generally a very simple matter until the time comes for the water in the tank to be changed.

In nature the water in the ocean is constantly cycling; therefore,
the water never has the opportunity to become stale and
overloaded with elements that will have a negative impact on the
well being of your aquatic friends.

Since this is not the case in an aquarium even with an excellent
artificial filtering system and organic filtering methods combined it
will still be necessary on occasion to manually clean the tank.

The water with which you replace the dirty water in the aquarium
should be as close as possible to the water that was originally filling the tank.

What this means is that if you opted to buy a pre-made saltwater
mix when you started your tank you should continue to use that same pre-made saltwater mix.

If you made your own saltwater you should use the same type of
sea salt in the same proportions that you used in the beginning.

If you opted to transplant ocean water or purchased filtered ocean
water you are going to want to use that same type of water when you make the change.

Water in aquariums should be changed every couple of months,
more if you happen to notice that wastes are beginning to build up.

This will be evident by the hazy look the previously clear water will
take on and the obvious accumulation of waste at the bottom of the tank.

Be sure when you change the water you also clean the components of the tank and the inside of the glass itself.

Putting clean water into an empty tank is along the same lines as
putting clean clothes on a dirty body-there is little point.

By keeping your tank clean and the conditions as constant as
possible you are giving your fish the best possible chance to thrive
in their artificial environment, guaranteeing that you will be able to
enjoy their beauty for a very long time.

Types of filtration
Filtration is needed to rid the tank of toxic wastes, undesirable
particles, and other dissolved chemicals.

There are many different designs of filters, and their mode of
action may be biological, mechanical, or chemical, or a combination of these.

Biological filters remove nitrite and ammonia from the water

Two or more filters are often used in the same tank to maximize
water quality and cut ammonia and nitrite, which reef fish cannot tolerate.

Biological filters, such as undergravel and trickle designs (right), are
often teamed with external power filters, which pump water
through an external canister containing filter media such as sponge,
filter wool, or activated carbon.

The filtered water is then sprayed back into the tank through the
fine holes of a spray bar—a process that helps oxygenate the water.

Some aquariums feature ozonizers— units that produce bubbles of
ozone gas to oxidize waste matter—or protein skimmers (below),
which use yet another method to remove potentially harmful organic waste.

saltwater aquarium protein skimmer

saltwater aquarium protein skimmer how to do water change on saltwater aquarium

A protein skimmer or foam fractionator is a device used to remove
organic compounds such as municipal water treatment facilities and public aquariums.

Smaller protein skimmers are also used for filtration of home saltwater aquariums

The protein skimmer works in a different way from conventional filters.

A stream of electrically charged air bubbles rises through a plastic
tube; proteins and other organic wastes stick to the bubbles and
rise to the surface, where they form a thick foam.

This must be regularly collected for disposal, preferably twice a week.

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saltwater aquarium protein skimmer

undergravel filter for saltwater aquarium

undergravel filter for saltwater aquarium how to do water change on saltwater aquarium

In an undergravel filter, a colony of beneficial bacteria establishes
itself in the substrate.

As water is drawn down through the filter bed, the bacteria break down organic waste produced by the fish.

trickle filter saltwater aquarium

trickle filter saltwater aquarium how to do water change on saltwater aquarium

The trickle filter provides sophisticated biological and mechanical filtration.

Water is drawn up from the tank and sprayed over a stack of
different filter media, through which it trickles before flowing back into the aquarium.

Spraying also oxygenates the water, improving bacterial action within the filter.

for bacteria that convert these natural waste products into harmless compounds.

Mechanical filters remove particles by forcing water through some kind of filter cartridge.

Some of these cartridges contain filter media that trap particles as
small as 3 microns across and can be used periodically to scrub the water of bacteria and algal blooms.

Chemical filters remove dissolved substances from the water, such
as ozone, chlorine, heavy metals, and medications.

Most work by forcing the water through a filter medium of
activated carbon (a manufactured form of bcarbon that is highly porous).

Chemical filters are useful for eliminating the yellow coloring
that often develops in aquarium water.


uv sterilizer for saltwater aquarium

uv sterilizer for saltwater aquarium
Ultraviolet (UV) light is a powerful sterilizing agent, capable of
killing bacteria, parasites, and even tough algal spores.

Some aquarists use sterilizing units that pass water from the filter
over a UV lamp before returning it to the tank.

There is some evidence that use of these lamps reduces the incidence of disease.

saltwater aquarium maintenance


Partial water changes not only reduce harmful accumulations of
nitrate, phosphate, and other chemicals by dilution, but also
replenish levels of carbonate (reinforcing the buffering capacity)
and trace elements, which are vital to the well-being of the tank occupants.

When setting up the aquarium, make an inconspicuous mark on
the side of the tank with a felt-tip pen to show the water level
when the tank is full.

This makes it easier to fill up the tank with the correct amount
of water, both when making partial water changes and when replacing evaporated water.

check the salinity

1.)Check the salinity and temperature A conductivity meter gives readings in millisiemens per centimeter (mS/cm).

At 77°F (25°C), 50.1 mS/cm corresponds to an SG reading on a hydrometer of 1.023.


Drain the water and clean the gravel how to do water change on saltwater aquarium

2.)Drain the water and clean the gravel Fix a gravel cleaner to the siphon and suck up mulm from the substrate while draining the water.

This will prevent the undergravel filter from becoming clogged with waste.

add more water

3.) Add more water Replace the drained water with a fresh, dechlorinated salt solution of the correct temperature and salinity.

Test the water for toxic copper before adding it to the tank.

clean out the protein skimmer how to do water change on saltwater aquarium

4.)Clean out the protein skimmer Carefully remove the accumulated debris from the cup.

Then rinse the cup with warm, dechlorinated water to remove fat deposits, which make the skimmer less efficient.


The correct salinity, in terms of specific gravity (SG), will be in the
range of SG 1.020–1.025, depending on the speciesin your tank.

Salinity can be tested with a hydrometer or a conductivity meter,
which determines the water’s salt content from its ability to conduct electricity.

With a hydrometer, you may need to adjust the reading to take
account of the water temperature: cold water is denser than warm
water, so it gives a slightly lower SG reading.

The instructions provided with the hydrometer should
enable you to make the right adjustments.


test kit

Tank samples can be tested with reagents to monitor a range of
water parameters, including pH and levels of chemicals such as
iron, nitrate, phosphate, carbonate, calcium, strontium, iodine, and copper.

Read the instructions on the kits carefully, store them
appropriately, and use them before they are out of date; otherwise,
they will give inaccurate readings that may endanger the health of
both fish and invertebrates.

Electronic meters give more accurate results for many of these
parameters, but they are far more expensive.

Test kits use reagents that cause the water sample to change color. The sample is then compared to a color chart that gives the numerical figure.

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