simple guide to aquarium filtration

simple guide to aquarium filtration filtration methods

simple guide to aquarium filtration

To have poison free aquarium water, filtration process is a
very important to aquarist.

Since most aquarists are aware of the fact that their aquarium water
accumulates harmful substances, which poison their fishes.

To prevent this from happening there is need for filtration here’s the simple guide to aquarium filtration thus, for our purpose I would define filtration as the removal of unwanted substances from water.

To have poison free aquarium water, the filtration process is a
very important to aquarist.

Since most aquarists are aware of the fact that their aquarium water
accumulates harmful substances, which poison their fishes.

To prevent this from happening there is need for filtration
thus, for our purpose I would define filtration as the removal
of unwanted substances from water.

Most aquarist uses three types: Biological, mechanical, and
chemical amongst which the biological is the most important.

Biological filtration is also referred to as undergravel filtration,
because the major equipment used (a flat plate of perforated
plastic) is placed under the gravel bed hence it is invisible.

Unless you are properly equipped, you can’t see the process
happening and cannot measure its effect.

Yet this process is the major difference between success and failure,
and the aquarist who does not take the time to understand it
workings is doomed to watch an endless procession of dying fishes
passing through his tank.

Biological filtration is solely the work of bacteria attached to the
surfaces of the gravel, the grave and the under grave filter together
constitute the filter bed.

Bacteria normally reach the filter bed through the food you give the fishes.

The waste product of the fishes, the air, and even through your hands as you works in the tank.

As the water ages, their numbers increase until the gravel is loaded with millions of them.

It is only then that the aquarium can function very well, because
the wastes of the fishes and unwanted substances mainly ammonia
are immediately broken down by those bacteria into harmless
substances while at the same time the filtration action drags organic
matter downwards into the spaces between the gravel’s where the
roots of plants can then extract essential growth substances hence
the undergravel filter promotes healthy plants growth.

Mechanical filtration is the physical removal of debris, waste
products, uneaten food, dead fish or plants.

They use a filter medium such as foam, filter wool or sand/gravel
to trap particles which are removed by later cleaning of the medium.

Chemical filtration changes the composition of some substances in the aquarium.

Ammonia absorbers, such as Ammogon tm help prevent problems
when water aging is done chemically (treatment with chloramines releases free ammonia).

Other “chemical” filtration includes ion exchangers which reduce either carbonate or sulphur hardness.

simple guide to aquarium filtration An effective aquarium filtration system not only removes waste products from the water by physical or chemical means, but also mirrors the process of biological filtration—the nitrogen
cycle—that occurs in the wild. Filtration goes hand in hand
with aeration, in which water is circulated so that it can absorb
oxygen from the air and lose unwanted carbon dioxide.

In the confines of an aquarium, thewaste produced by the fish can
quicklybuild up to harmful levels without aneffective filtration system.

Filtration involves passing the water in the aquarium through one
or several filtration media, which purify the water by biological,
chemical, or mechanical means (see box, below).

There are two basic methods of driving water through the media:
using an electric pump, or using an airlift system, in which air
bubbled into the tank through an airstone draws water up an airlift tube.


  • Add zeolite sachets to remove ammonia from the water, and a
    starter seed culture of bacteria for the biological filter.
  • Be careful not to overfeed the fish and burden the filter with decomposing food.
  • Test the water quality regularly to check the filter’s efficiency;
    frequent partial water changes will ease the pressure on the filtration system.

simple guide to aquarium filtration

simple guide to aquarium filtration filtration methods

The most common type of system for freshwater aquariums—
the undergravel filter—is a simple airlift system.

A perforated corrugated or ridged plate is placed on the base of the
tank, and then covered by a substrate of gravel.

The plate allows water to flow under the gravel, while the gravel
particles— which should be at least 1⁄8 in (3 mm) in diameter to
ensure good water movement—form the biological filter medium.

Power filters use an electric pump to drive water through the filtration media.

There are two basic types: internal power filters, which sit inside
the tank, and external filters, which are housed outside the
aquarium and are generally used for larger aquariums.

A range of different media are available for power filters: biological
media, such as foam sponge and ceramic granules; mechanical
media, such as filter wool; and chemical filtration media, such as carbon.

The most efficient filters use layers of different media in combination. It is often

possible to add extra materials—for example, peat or
coral sand—to this type of filter to alter the water chemistry.

Efficient aeration is vital for the maintenance of a healthy
tank, providing a source of oxygen not only for the fish, but
also for the beneficial bacteria within the biological filter.

Using an air pump to pump air through an airstone can help to
aerate the tank: the bubbles produced cause surface ripples that
increase the area exposed to the air where oxygen exchange can take place.

But, if there is enough surface movement generated by the
outflow of the filtration system, an extra air pump may not be needed.

external filter system


External power filters work on the same principle as other systems:
water is pumped out of the aquarium and passes through the filter
unit, which contains one or several types of media, before being returned to the tank.

simple guide to aquarium filtration power head filter

A powerhead, shown above, is a pump that can be added
to the airlift tube of an under gravel filter to draw water more strongly through the system.

Installing a powerhead also improves the aeration provided by an
under gravel filter.

simple guide to aquarium filtration

airlift pump filter

What are the 3 types of filtration?

There are three types of filtration that are necessary for the health of any aquarium:

  1. Mechanical.
  2. Chemical.
  3. Biological.

What are the best filters for fish tanks?

  • Penn Plax Cascade Canister Aquarium Filter. …
  • Fluval External Fish Tank Filter. …
  • Marineland Magniflow Canister. …
  • EHEIM Classic External Canister Fish Tank Filter Media. …
  • Penn Plax Cascade Canister Aquarium Filter Cascade® 1000. …
  • AquaClear Power Filter – 110 V. …
  • Fluval Fx6 Aquarium Canister Filter.

Can I use 2 filters in my aquarium?

However, if you were to use these same two aquarium filters on a 180 gallon fish tank, you should be able to provide enough biological filtration for that 180 gallon aquarium. The filtration capacity increases with multiple filters, but only if the water volume also increases

How does filter work in aquarium?

The purpose of the filter on your aquarium is to remove excess food, decaying organic matter, free-floating particulate, dangerous chemicals, and the fish’s waste products from the water. The fish excrete waste constantly as they swim around in the water.

Is chemical filtration necessary?

A healthy tank DOES NOT require the use of chemical filters as activated carbon. One point about filtration cannot me made enough. ALL FISH TANKS MUST HAVE BIOLOGICAL FILTRATION. Although chemical filtration can remove ammonia under limited circumstances, they are NOT a general solution.

How is filtration useful?

Filtration, the process in which solid particles in a liquid or gaseous fluid are removed by the use of a filter medium that permits the fluid to pass through but retains the solid particles. … In some processes used in the production of chemicals, both the fluid filtrate and the solid filter cake are recovered.

Why do we use filtration?

Filtration is extremely important to keep things like water, chemicals, and pharmaceuticals clean, pure and free of contaminants. If it wasn’t for filtration, we might not have safe drinking water, because it plays a crucial role in eliminating sediment, sand, gravel, carbon and other suspended particles. Safety.

Does a fish tank filter always need to be on?

An aquarium filter should filter all the water in the tank through it at least three times per hour. If it does not, it is too small. … You cannot over-filter, but you can definitely under-filter, and the results can be harmful to your fish.

Which filter is best for planted aquarium?

Some Of The Best Filters For A Planted Tank
Fluval C4 Power Filter. The Fluval C4 Power Filter is an HOB filter that will work well on planted tanks up to 50 gallons in size. …
Eheim Classic Canister Filter. …
AquaClear Power Filter. …
Hydor Professional External Canister Filter. …
Penn Plax Cascade Canister Aquarium Filter.

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Beginners Guide on how to clean a fish tank

how to clean a fish tank

how to clean a fish tank

Maintaining an aquarium is a process that entails a series of regular tasks.

Weekly or by weekly tasks like cleaning must be performed to
ensure your aquariums ecosystems lengthy lifespan.

This article is about things a beginner must know to ensure a long lasting aquarium.


A clean aquarium is the best habitat for all kinds of fish or other living organisms like crabs for example.

A clean aquarium means your fish and plants will live for a longer
time saving you time and allowing you to enjoy watching them grow.

The best way how to clean a fish tank is to have all the proper equipment and use it often to clean with. It is also a mater of know how.

There are a few things that every aquarium owner must know to
clean an aquarium and maintain it in the best possible way.

People who don’t know much about aquariums might use harsh
household cleaners to clean their aquariums.

This would have detrimental for the small ecosystem you ought to be striving to create.

Good tips for keeping your aquarium clean is to keep the water supply clean by cleaning the water pump.

To do so one should always keep the filtration system in mind. A good clean filter is what the life of your aquariums ecosystem depend on.

Cleaning the filter too often might also have a negative impact on your aquariums life.

It is therefore important to maintain a balance, and to clean your
aquariums filter only when needed or specified by the filters manufacturer.

Many aquariums experts recommend that the ornaments as well as
the glass ought to be cleaned at least once every two weeks.

Cleaning the aquarium ornaments and glass prevents algae from building up inside.

If the aquarium is made from plastic materials then cleaning
should be performed on smaller time intervals, perhaps once a week.

When performing maintenance operations to your aquarium, you
should always keep in mind a few things to ensure that things are
going smoothly inside your aquarium.

Check the air pump and see if it is running ok. It is imperative that there is enough oxygen for the fish but also to allow for proper flow of the water.

Another thing that will ensure longer life for your aquarium is
ensuring that the water is changed often.

This way your fish and plants will live longer and your aquarium will definitely look better.

One more thing that you should do to maintain a clean aquarium is
to clean, or at least rinse the gravel that sit on the bottom of your aquarium.

This process entails that you remove all contents of the aquarium including the fish.

Therefore, its viability depends highly on how many as well as what kind of fish you have. Keeping a clean aquarium does not only entail cleaning it every week or two weeks.

You should also consider acquiring a water purifier. There are many kinds of purifiers out there for different types of aquariums as well as sizes.

When you use a water purifier to clean the water contents of your
fish tank you should always let it sit and mix with the water to allow it to dissolve.

If you are new to aquariums, always remember to read

how to clean a fish tank PARTIAL WATER CHANGE

Cleaning the gravel while siphoning water from the tank improves
the filter’s efficiency and ensures that the gravel bed does not become compacted.

Save the tank water that you siphon into the bucket; you will need this to rinse the filter sponge.


Cleaning the filter sponge Rinse out the sponge in water
taken from the tank, to remove any debris that has collected.

how to clean a fish tank

  1. Siphon out the water
    Place the bucket below the tank to ensure a good flow. Never suck water through the tube to start the flow—you could swallow harmful microbes.
  2. Clean the gravelhow to clean a fish tank
    Take care not to uproot any substrate plants when using a gravel cleaner.
    The water flow will not be strong enough to suck gravel up the tube.

Here are some people ask on how to clean a fish tank

How do you clean a dirty fish tank?

Now let’s see how to clean the gravel in your fish tank.
Fill a bucket half way with dirty fish tank water. …
Place the fish in the bucket.
Unplug all electrical aquarium equipment.
Drain the tank completely.
Take two cupfuls of dirty gravel and put it aside. …
Take out the rest of the gravel and put it into two buckets.

Do you take the fish out of the tank when cleaning?

Every once in a while, you may need to take your fish out of their tank while you clean things up.

Removing fish from their habitat can be pretty stressful for them,
so regularly change out the water, clean the gravel, and check the
filters so that you don’t need to remove the fish very often.

Can you use vinegar to clean your fish tank?

Vinegar is excellent for removing hard water stains, and salt will clean out a tank nicely.

Use lots of salt, don’t be shy, and scrub it around there vigorously. Rinse very thoroughly and there you have it, a clean tank.

How often should I clean my fish tank?

Depending on how many fish you have, and how messy they are,
most tanks require cleaning about once every two weeks.

Cleaning should involve: ✔ Siphoning the gravel to remove any
debris and uneaten food, and changing about 10-15% of the water. ✔ Check the filter is working correctly.

How do you clean a fish tank without killing the fish?

Do not use soaps or detergents of any kind; they’ll kill your fish. Step two: thoroughly rinse off any gravel, aquarium rocks and any
other tank decorations with warm water before placing them into the empty tank.

Use a colander to rinse the gravel and rocks until the water runs through clear and free of debris.

What is safe to use to clean a fish tank?

Once the inside of the aquarium is cleaned, clean the hood, light, tank top, and outside glass. Regular glass cleaners contain ammonia, which is toxic to fish.

Standard lime cleaners are even more toxic. It is strongly
recommended that you use vinegar or cleaners designated as
aquarium safe, and rinse rinse rinse!