pond algae control how to get rid of algae in pond

pond algae control


Presence of algae is one of the greatest potential problems you are likely to find in your koi pond.

There are various species of algae. In the light of pond
management, the types of algae are divided into suspended and filamentous.

Suspended algae is primitive minute single-celled species that
appears as an algal bloom in the pond to resemble pea soup.

On the other hand, filamentous algae come in kinds such as
Blanketweed, Silkweed, and Mermaid’s hair.

Read on to discover how to cope with algae in your garden koi pond.
Presence of algae in your pond does not mean that it’s unhealthy.

However, it comes with considerable distress and ruining of your pond’s visual appeal.

Suspended algae create a very unpleasant bloom during the spring.

It occurs mostly in temperate areas where the growth of higher
plant life in winter becomes non-existent.

The water in the pond becomes green as it warms up. Primitive
unicellular algae appear immediately and continue to wreck more
havoc until more developed plants take over.

Here’s the catch

As growth begins with the submerged plants utilizing the nutrients
in the water, they have to compete with more primitive algae.

The plants are more likely to decline to make the water become clear.

During the year when green algae bloom, it disturbs the natural balance of your pond.

If your pond is new, the aquatic plants will have less time to
establish because of troublesome suspended algae.

You have to be patient to give the plants time to get established. The pond will eventually clear if you strive to create a balance between the plants and fish.

 

How to handle algae in your pond

There is a high temptation to empty the water in your pond and refill it with fresh water.

This can alleviate the algae from your pond for some time. However, after a few days, you are likely to come face to face with more algae after a short while.

The fresh water from a tap has mineral salts than enrich the water for more algae growth.

Changing the water in your pond will not make lasting results
unless you properly balance the pond.

A wonderful idea is to buy fountain for pond with aeration ability
to protect your fish and manage the growth of algae in your pond.
Filamentous algae is very persistent and troublesome.

It forms huge floating mats where the lower parts might begin to decompose because of lack of light.

This creates an unpleasant smell and black mess in your pond. However, an aerator fountain helps to prevent accumulation of
algae debris and foul smell from happening in your pond.

The aerator regularly turns the water to allow free movement of oxygen from top to bottom.

 

There’s more
Installing a fountain in your pond is the ideal solution to keep algae at bay. It helps to mop up nutrients in the water and promotes the smooth flow of oxygen to sustain fish plus other aquatic life. Removal of excess nutrients from the water deprives algae of the opportunity of such plants from growing.

If you wanted to puchase koi fish paintings click here to my Etsy store.

 

how to remove algae from pond without harming fish

How do you keep pond water clear?

7 tips below to help keep your pond water clean!
Maintain a healthy fish population. …
Don’t over-feed your fish. …
Create a proper balance of plants. …
Choose the right size pump for your pond. …
Clean debris from pond before it has a chance to decay. …
Choose proper filtration for your pond.

Is algae bad for fish in a pond?

The Good: Algae is not harmful to your pond or water feature. Algae actually performs a necessary and important role, just like
any other plant in your pond -that is to absorb nitrates, which is
what’s left in the water after your pond’s beneficial bacteria are
finished degrading fish and plant waste.

 

pond algae eaters

 

how to get rid of algae in pond

 

pond algae killer

 

how to get rid of algae in pond naturally

 

algae eating fish for pond

 

pond algae solutions

pond fountain How A Floating Fountain Promotes A Livelier Pond

pond fountain

No pond owner would like to see their pond lifeless. In the same way, a pond with a foul smell is not what anyone would look forward to.

Apart from treating weeds and algae, it pays to keep your pond healthy. A pond in a bad state is a result of excess nutrients, decayed leaves, and stagnant water.

Poor movement of water is a significant issue with insufficient oxygen. Therefore, it’s very important to understand how a floating
fountain promotes a livelier pond.

 

Image credit: fountainmountain.com

Having a fountain on your koi pond promotes water movement. A fountain significantly improves the health of your pond in various ways.

The most significant benefit is the ability to make your pond look livelier.

This is done in the following ways. Gaseous exchange A fountain in a pond helps in gas exchange.

Movement of water in the pond increases oxygen content in the pond.

This helps eliminate gas build up. It will help to lessen chances of a foul smell in your pond.

The movement of water ensures the absorption of oxygen once the water is exposed to free moving air.

Additionally, it also helps to release trapped gasses in the water. A
floating fountain is a great idea to promote breathability in your
pond to support aquatic life in the pond.

Improvement in water clarity
The best way to prevent surface scum on your pond water surface
is by installing water pond fountains.

The fountain continuously breaks up algae on the water surface preventing its growth.

Additionally, low oxygen in a pond promotes the presence of excess carbon dioxide.

This promotes the growth of algae, which is not good for your pond.

Installing a floating fountain will promote water flow and lower
nutrient build up to make the growth of algae harder.

Creating a beautiful centerpiece
A floating fountain adds interest and beauty to your pond. Installing a fountain in your water body will add beauty to your landscape.

Ensure to invest in a quality fountain with a pump and filter made
of high-quality stainless steel.

This guarantees durability for your fountain to last for years. You
can buy your fountain online from a reliable supplier for convenience and cost-effectiveness.

Sustaining aquatic life
In warm weather, the water also warms up and makes oxygen less in the pond.

Therefore, it’s very important to ensure that your fish have enough oxygen in the pond.

This prevents fish from suffocating which might cause a foul smell in your pond.

The best idea to promote aeration in the pond is by installing a floating fountain.

Final thought
Adding a fountain to your pond will significantly enhance the beauty and health of your pond.

The trick is to buy a quality fountain from a reliable company. This
should have the appropriate capacity to impel enough water per
hour to keep your pond in good condition.

Additionally, consider a fountain that might come with extra
features such as lighting and spray patterns to give a spectacular view of your water body.

Working with a reliable fountain supplier will ensure that you end
up with a fountain customized to meet your requirements.

koi pond maintenance Expectations vs. Reality

koi pond maintenance


koi pond maintenance helps you to maintain the proper water quality for your koi.

It is vitally important for the sake of your koi that you keep the quality of the water as pristine as possible.

Water quality has to do with much more than keeping the water clear.

You will need to purchase a water testing kit so you can check the pond water for –
• pH
• Oxygen
• Ammonia
• Nitrates
• Nitrites

You will also want to make use of a pond skimmer to get the leaves, insects, and other organic debris out of your pond.

Deep Cleaning
Deep cleaning of your pond is usually done twice a year, in the spring and fall.

There are pond maintenance services that you can hire to do this for you, or you can tackle the job yourself.

It really is not a difficult task. You will need to do the following –

• Remove any debris you can see in the water
• Fertilize and prune any plants that live in the pond
• Remove any algae from the pond
• Do a thorough inspection of your filtering system and your pump.
• Check the hose and connectors of your pond equipment
• Check out any pond lighting or pond vacuums you may have
• Drain the pond and add fresh water
• Check the water chemistry, and then take care of any irregularities that pop up.

Removing the Koi
It is understood that you will remove your fish before this deep cleaning takes place!

All sorts of debris and muck will be floating in the water, and you
do not want your fish to struggle for breath while trying to swim.

Koi quarantine tanks are available for purchase in many places.

What is in the Tap Water?
When first setting up your pond, you will probably use a garden hose to fill it with water.

This is fine, but you will also need to add a chlorine neutralizer to the water.

Chlorine is deadly to fish, and can kill them very quickly.
Chloramines are also in tap water, so make sure the neutralizer you use will take care of them as well.

Use your water testing kit each time you add fresh tap water to your
pond to make sure there is no kind of problem with the water.

About once a month is often enough to change out or add new water to the pond.

You can bump this up to every three weeks if the water looks especially needy.

Parasites, Keep Out!
Keep a close watch on your pond for any type of parasite. You can
purchase chemicals to add to the water that will kill any parasites
that may be there, and will also prevent any new parasites from entering the pond.

To Salt, or Not To Salt?
Many people who keep Koi insist on adding salt to their ponds. It can be a good idea in quarantine ponds, as it can help those fish that are suffering from stress. However, salt may cause more trouble than it is worth in a pond for breeders or young Koi.

When a sufficient quantity of salt is placed in the pond water, the skin of the Koi gets slightly irritated.

This causes them to have to produce an extra thick slime coat. That slime coat helps to protect them from parasites and bacteria, which sounds good.

The reality is that salt kept in a pond all year can cause the parasites
that plague your Koi to slowly but surely build up a resistance to the salt.

This will make it harder than ever to kill off the parasites and rid your fish of them once and for all.

A little salt is fine in the Spring to boost the immune system of
your breeders, but make sure to do your regular water changes in
order to clean all the salt out of your pond when this “spring tonic” is used.

Koi Pond Service
Spring pond cleanings are crucial for Fish & KOI ponds and Pondless waterfalls in the NY & CT Area.

Getting a spring pond cleaning is an important step in regaining
your pond’s beauty and functionality after the winter season.

The experts at BG Marine Services. located in Port Chester, NY will
take the necessary steps to ensure that your water feature is
maintained to the highest standards that you book koi pond service here

How much does it cost to maintain a koi pond?

Professionally installed koi ponds cost up to $50,000, depending on
the pond’s size, the experience of the contractor and the materials used. Koi fish can be bought at pet stores and at online koi retailers.

How do I keep algae out of my koi pond?

  • Keep the organic load down by keeping runoff out of the pond and the sludge to a minimum.
  • Don’t over feed or keep more fish than your pond will support.
  • Install a large biological filter and give it time to work, this could take several months.
  • Use enough, and the right type of, aquatic plants.

How do you clean a koi pond?

  • Clean the pond in the spring.
  • Scoop out debris on the surface of the pond.
  • Drain the pond.
  • Remove the koi if your pond is small.
  • Take out the pond pump and any water accessories.
  • Let the sun dry the empty pond for one hour.

How do you maintain a fish pond?

  1. Remember to continue fertilizing your plants as detailed under “Spring”
  2. Remove dead foliage from the pond.
  3. Feed your fish well.
  4. Continue cleaning filter as needed, making sure not to over-clean
  5. Maximize your aeration.
  6. Continue use of bacterial products like Microbe Lift.
  7. Enjoy!

Does barley straw clear ponds?

In ponds that are frequently muddy or those that have a history of
heavy algae growth, two or three times this recommended dose
may be required for the initial treatment.

However, overdosing the pond with barley straw may cause fish
kills because the straw deoxygenates the water as it decays.

 

koi pond maintenance using barley straw
Photo from https://extension.psu.edu

The problem
Excessive algae growth is one of the most common problems
occurring in ponds in Pennsylvania.

Traditional mechanical and chemical control methods are not always efficient or economical.

In recent years, the use of barley straw has become more common
as an alternative method for controlling excessive algae growth.

This method has been extensively studied by Dr. Jonathan
Newman at the Centre for Aquatic Plant Management in Great Britain.

This page summarizes the use of barley straw based on Dr.
Newman’s work and our experiences in Pennsylvania.

When applied at the proper time and rate, barley straw has been a
very successful algae control technique in Pennsylvania ponds.

How does it work?
Barley straw does not kill existing algae, but it inhibits the new growth of algae.

The exact mechanism is poorly understood, but it seems that
barley straw, when exposed to sunlight and in the presence of
oxygen, produces a chemical that inhibits algae growth.

Barley straw does not reduce the growth of other aquatic plants. In
fact, in some cases aquatic plant growth has increased after barley
straw applications because algae are no longer present to compete
with the aquatic plants. learn more here

How do you kill algae in a pond?

Use a long handled brush to pull out the algae at depth. 2.
Treat Water and Kill Off Remaining Algae – Some sources suggest
using a pond algaecide to kill off the remaining algae but we never
recommend unnatural chemicals even if the labels state they are safe for fish and plants.

Can I put hydrogen peroxide in my pond?

Hydrogen peroxide can cause gill damage if applied directly to koi.

Pour peroxide into the pond away from the fish, so it is diluted by the time it reaches them.

Use of hydrogen peroxide to increase oxygen levels is only a temporary solution. Continual use can damage the koi’s gills.

how to build trapal pond

how to build trapal pond

trapal pond

Steps in Building Trapal pond

Step 1 I cut bamboo pole into sticks watch video below

 

Step 2

I assemble the frame watch the video below

 

Step 3

I install the trapal tarpaulin an cheap alternative to pond liner

Watch video below

Note. Please don’t expose the trapal pond direct sunlight it will make the trapal deteriorate fast

how to build a koi pond for breeding

koi pond construction guide

how to build a koi pond If you are planning to breed koi fish , then you must start out on the right foot.

You cannot simply find someone who is selling koi, bring a few
back home with you, then toss them into a five-gallons of water
bucket and expect them to thrive in this “new home”.

Koi are hardy, but this treatment would certainly not be good for any fish, much less the Koi.

These fish have the potential to be very time consuming, but you
can curtail this somewhat by doing your homework before even purchasing a few Koi.

A Pond for You
If you want to keep koi, then you need a pond. It is best to build the
Biggest gallon pond you can afford, because these fish can grow in length
to reach twenty-four inches or even more.

You will also want to make sure that you have plenty of room for spawning when the time comes to breed your koi.

You may want to design your own pond, and do all the work needed to build it yourself.

You may want to hire someone to design and building a pond for you. You may decide to purchase a pond liner, filter, and pump from a dealer who specializes in fish ponds.

Formal or Informal?
One of the best ways to decide exactly what kind of pond you want is to look at what others have done to create theirs.

Keep in mind that you must decide on how large it will be, and
what shape will fit best in the area of your yard that you have selected for a pond.

Ponds can be formal, or informal, and it is up to you to decide which one of these styles will work best for you.

Pond Size Counts
Pond size is everything when keeping koi carp. Large koi or small, your
choice of size is going to affect how many koi you will be able to
keep, what kind of biological filtration system you will need to keep the pond
water fresh and clear, and how much time, effort, and money it will
cost you to do daily upkeep and routine maintenance on your pond.

Koi experts agree that if you enjoy koi enough to want to breed
them, you need to build the largest outdoor pond you can afford.

You certainly do not want to go to the time and expense of building
a pond (or having it built) only to have to build another one because your fish are outgrowing the first one!

Water feature Pond Depth and Width
Keep in mind pond owners that you need to consider not only how wide and long your pond will be, but also how deep is your pond water.

Long time breeders insist on ponds that are at least four feet deep,
as they claim the fish grow larger and have better conformation when living at this depth.

Koi also need a pond that is at least twelve feet in length, and has at
least one hundred forty square feet of water surface.

Once you see the number of fry that come from the first spawning
in your pond, you will understand why lots of room is essential!

You can certainly have a smaller pond, and enjoy watching your koi
swim and frolic about, but you will not have much luck in breeding your koi. Pond size is crucial when it comes to breeding.

Where to Build Your Pond
You will want consider carefully the area on your property that you
choose for the location of your breeding pond.

You will want your koi pond to be accessible to you, so that you do not have to put forth an effort to get to it.

If you choose an area that is difficult to maneuver in during good
weather, it may be impossible to navigate come winter.

The same goes for a breeding pond that is built during the fall, after the leaves are gone.

If your pond is too close to shrubs or trees, things may get a bit crowded in the spring when they leaf out and/or bloom again.

You will also have to put up with leaves dropping into your pond.
It is best to place the breeding pond as close to your house as
possible, so you can see your fish from a window while inside.

This makes it much easier to check on them during bad weather.

It also makes it much easier to feed them if they are just a few steps away from your door.

Sun, Shade, and Tree Roots
You do not want to build a breeding pond that will be in the sunlight or in the shade all the time.

A little sunshine is good for koi. However, koi can sunburn unless they have a place to go in order to get out of the sun.

Too much shade can inhibit the growth of the fish. Watch out for the roots of any large trees that may be nearby.

They can snake out much further than you would think. Many an
area chosen for a koi breeding pond has been abandoned because
of the massive root systems of elderly trees.

You can either be sure to choose an area that is not around any
large trees, or choose the type of tree that you would like around the pond.

Many people choose palm trees, as the roots of this tree cannot hurt a pond. Palm trees are not messy like most trees are as they shed their leaves.

If too many leaves make it into your bottom of the pond before you have a
chance to use a net to get them out, the resultant decomposition is
going to make your filter system work much harder than it needs to.

Providing a breeding pond for your koi may mean a lot of work for you if you choose to design and build it yourself.

However, you will be rewarded tenfold by taking the time to do the job properly.

How much does it cost to build a koi pond?
A shallow 4′ x 6′ or 6′ x 8′ professionally-installed pond, including
excavation, liner, filtration system, and simple rock border might cost $2,000 to $3,500.

As a DIY project, the same pond might cost $500 to $1,000. Larger ponds, depending on features and equipment, can easily cost $5,000 to $15,000 or more.

What is the minimum size for a koi pond?
Well, at three feet deep, a six foot by eight foot pond will yield 1077 gallons. But these are merely the minimum recommended requirements.

Also, the more fish you have, the larger your pond should be. A pond of the aforementioned size will be enough for no more than five average sized Koi.

How big does a koi pond need to be?
A pond for goldfish or water lilies need be only about 2 feet deep for zones 5 or greater.

Ponds built in colder areas may need more depth to keep the pond from freezing solid.

Ponds built for koi should be close to three feet or deeper to allow these larger fish enough space.
How much does a pond cost to build?
The average price to install a pond ranges from $1,288 and $4,882, with most homeowners paying around $3,005.

The expense is usually $2.50 to $7.15 per square foot. For a larger-scale project, expect to pay $3,000 to $8,200 per acre, or more. Ponds can be surprisingly inexpensive to install.

How much does a small pond cost?
Landscapers can charge anywhere from $3,000 for a small, simple pond, to $10,000–$30,000 for a larger more complex pond.

These expenses include the costs of the design, materials and labor.

The area must be dug out, lined, and a filter and pump need to be installed.

How many koi can be in a 500 gallon pond?
Most pond experts say you can have one Koi per 500 gallons.
But this is NOT true, The number of koi is dependent on the pond
location, size of koi, quality of water and climate conditions.

Small, shallow ponds can heat and cool fast. Our quarantine tank is a 12 ft intex pool that holds 1800 gallons and is 32 inch deep.

How thick should a concrete pond be?
You should consider pouring concrete for the sides of the pond as well. If they are vertical, you will have to form them with wood first.

The reinforcement should extend from the floor into the wall. The thickness of the wall should probably be about 6 inches.

How do you build a fish pond?
Set up a space. …
See if the dirt is suitable by making a small hole and pouring some water in it. …
Dig a hole. …
If the ground is not suitable for the water, put some material such
as plastic, sand, a thin layer of concrete, etc. over the dirt after you dig the hole. …
Put in wet land plants. …
Add water.

How deep does a pond need to be to support fish?
A pond for goldfish or water lilies need be only about 2 feet deep for zones 5 or greater.

Ponds built in colder areas may need more depth to keep the pond from freezing solid.

Ponds built for koi should be close to three feet or deeper to allow these larger fish enough space.

How deep should a pond be for fish to survive?
Koi ponds should be at least 3 feet deep. The ideal depth of a pond
that supports a population of koi is 48 to 60 inches, although koi can survive with a minimum depth of 36 inches.

That depth offers the koi protection from wading birds and also
allows for a more uniform water temperature.

How much does it cost to build a pond?
Average Costs to Dig a Pond. The average backyard pond is between 200 and 300 square feet. Since the typical price per square foot is $2.50 to $7.15, most people pay between $500 and $2,145. The total average cost for this size is roughly $1,100.

How many koi are in a 4000 gallon pond?
Let’s do the math using our conservative rule of thumb suggesting
one Koi for every 250 gallons of well filtered & maintained pond water. A 2500-gallon pond translates to 10 full-grown Koi and you have 30! Obvious Solution – Get rid of 20 koi or build a bigger pond.

How big is the average pond?
So, a pond with a maximum depth of 12 feet would have an average depth of about 4.8 feet.

A more accurate method for calculating average depth is to make
many measurements and calculate an average.

How many koi are in a 1000 gallon pond?
Just because you have a 1000 gallon pond and you bought a filter
for 1000 gallon doesn’t mean you can put 20 Koi in there and expect great water quality.

As a general rule, cut the number of gallons the filter says it can
filter in half, and even then keep the stocking density low.

How do I calculate the size of my pond?
Square/ Rectangular (Gallons): Multiply length x width x average water depth (feet) x 7.5. …
Square/Rectangular (Acres): Multiply length x width, then divide by 43,560 (square feet per acre) …
Round (Gallons):

How many gallons of water are in a one acre pond?
Example: I have a 1.25 acre pond with a 6′ average depth. 1.25 x 6′ = 7.5 acre-feet. If you are trying to figure out GALLONS, multiply acre-feet by 325,829 (gallons in 1 acre-foot) = Gallons. Example: I have 7.5 acre-feet of water.

How many koi are in a pond?
Let’s do the math using our conservative rule of thumb suggesting
one Koi for every 250 gallons of well filtered & maintained pond water.

A 2500-gallon pond translates to 10 full-grown Koi and you have 30! Obvious Solution – Get rid of 20 koi or build a bigger pond

power outage? 5 things to do with your koi pond during power outage

solar powered pond aerator

power outage? 5 things to do with your koi pond during power outage

power outage emergency in your koi pond What’s MOST important to Koi fish during a power outage?

Koi require oxygen to live, and without an air pump or a water fall running,

they will quickly consume all available oxygen in the pond and die!

Water with an oxygen concentration of less than 3 mg/l will generally not support fish.

 

1. solar powered pond aerator-You could consider solar powered pond aerator with batteries.

Also reducing fish stock

.solar powered pond aerator

Buy now here Free Shipping

 

2. ups battery backup (UPS) to run your regular air pumps.


An uninterruptible power supply (UPS) can also carry your pond through a brief power outage.

They are available at most office supply or computer retail stores.

The UPS works by providing the necessary current via a battery.

The battery remains charged by being plugged into the wall outlet.

This means that your pond will not flinch even a little bit when the power goes off, as it is will not be powered by line electricity.

The UPS will last longer if used to power small pumps or air pumps with low current consumption.

The larger circulation pumps will usually run only a few minutes.

 

 

3.Finally, if you live in an area where power outages are more common, you may want to consider a gasoline-powered generator.gasoline-powered generator.

The downside to generators is that they can be expensive, noisy, and rather heavy.

However, they can keep your pond (and also your home appliances) going throughout an extended power outage.

An important safety tip: DO NOT feed your koi fish during a power outage unless it is absolutely necessary, as it will cause pollutants and algae to build up faster. Most fish can go 5 to 7 days without being fed.

 

 

4.Tap water-Ancost-effectiveective way is to let your tap water to run continuously until the electricity is back on. Only thing is to monitor the chlorine level from time to time. Add the anti-chlorine as desired. I did this twice, and no problems with the fishes

.tap water

 

5.Treating Ponds With  Hydrogen Peroxide

Hydrogen Peroxide
Measure the length, width, maximum depth and average depth of the pond in feet. You will use these measurements to find the volume of the pond.

 

pond calculator

 

Calculate the volume of the koi pond using an online tool such as pond calculator. This calculator can also determine a recommended pump size and how many fish the pond can safely support.

Apply 1/2 cup of 3 percent hydrogen peroxide solution per 100 gallons of koi pond water to increase the oxygen content.

The peroxide will take effect within an hour, and the increased oxygen will last for about four hours.

Add 1/2 cup 3 percent hydrogen peroxide solution per 625 gallons of pond water when using peroxide after a potassium permanganate treatment.

It will take about an hour for the water to clear.

Things You Will Need

  • online pond volume calculator
  • 3 percent hydrogen peroxide solution
  • measuring cup

Tip
If you use hydrogen peroxide in the midst of a potassium permanganate treatment, wait three to four days before resuming treatment.

Warnings
Hydrogen peroxide can cause gill damage if applied directly to koi.

Pour peroxide into the pond away from the fish, so it is diluted by the time it reaches them.

Use of hydrogen peroxide to increase oxygen levels is only a temporary solution.

Continual use can damage the koi’s gills.

55. Eliminate Algae from Your Aquarium
Home aquariums not only bring beauty to your home décor but can offer you therapeutic benefits as well.
 
The only downside is having to clean the fish tanks, especially when
algae begins to accumulate.
 
To clean your fish tank, safely and efficiently, without causing harm
to the inhabitants, is to use hydrogen peroxide.
 
To keep your fish and plants from being hurt, you want to only use
about 60 milliliters of three percent peroxide per 66 gallons of water.
 
Slowly add the peroxide to the tank using a syringe or dropper for five minutes. If you can, try and apply it directly to the algae. It will react with the algae, killing it, and then diluting.
 
 
 
56. Help Transport Fish
If you are transporting fish in a bag, adding hydrogen peroxide to
the water will help keep your fish more comfortable and safer during the carriage.
 
For this, you want to use the little white tablets that dissolve in
water for a more controlled release of oxygen.

learn more about 60+ Amazing Hydrogen Peroxide Uses and Benefits 

how long can koi live without aeration

Well this depends on a lot variables. I also don’t know what you mean by pump… water pump or an air pump?

If we are talking about air then you need to consider many variables.

The volume of water, the size of the fish, the temperature of the water, the quality of the air above the water.

You really need to know more to answer this question. In a pond without an air pump if it were large enough you many never need an air pump.

If your fish were in a bag with pure O2 then it depends on the temp, stress and size of the animal.

Again not sure what type of “Pump” you are thinking of – water movement or air… but either way there are a lot of variables that had to be thought of before answering this question.

A pump will pull water and then push it through a filter of some sort and return it to the pond. If at the return it splashes then it will oxygenate the water.

Two thing occur here -oxygenation of the water and improved water quality.

The chemistry of water quality is complex and it’s balance is necessary for fish to be healthy. A filter – pump- is necessary to achieve that.

Oxygen in the water it also critical for the fish to survive. Constant
disruption of the water surface via water return to the pond from
the filter or by air stones is also critical for the fish to find oxygen in
their water and also to assist is balance of the water chemistry

So how long can they survive without oxygenated water and balance? Easy – until a ph crash caused by high levels of resultant
ammonia, nitrite and nitrate which will happen without a pump to run a filter. A ph crash kills fish overnight.

 

How to Keep Your Aquarium Fish Alive During A Power Outage

There are easy steps you can take to keep fish alive in a blackout.

Fortunately, for most of us, the worst result of bad weather is a short power outage.

It’s inconvenient for us but is perhaps more serious for aquarium
fish because they depend on filtration, aeration and heat from
devices powered by electricity.

The climate zone you live in and time of year also affect the welfare of your fish while the power is off.

There are ways to help prevent or reduce fish loss during and after these storms with a little planning.

Green tiger barbs are tropical fish and require wrm temperatures. Photo by debivort/Wikipedia

The two most important considerations for your aquarium are temperature and dissolved oxygen.

The goal is to prevent a significant shift in temperature and to
maintain enough dissolved oxygen in the water to sustain the fish.
By far, the best option is to have a generator powerful enough to run all of the aquarium’s equipment.

Of course, the cost of a generator has to be weighed against the cost
of completely replacing all of the animals in your aquarium, many
of which may have reached adulthood during their time in your tank.

Read More
Keeping Aquarium Fish Alive During a Power Outage or Other Disaster

Fish Tank Temperatures During the Summer

Goldfish Water

For most people, the alternative is some towels, sheets of styrofoam
and one of those handy battery-operated air pumps often available
in aquarium stores or tackle and bait shops.

Other things to have on hand are extra airstones, air line tubing and batteries. A flashlight with fresh batteries will be needed, as will test
kits to monitor water quality for the duration of the power outage.

Your husbandry skills can have a significant impact on how well your fish survive a power outage.

Maintaining a successful
aquarium involves proper stocking levels, regular filter
maintenance, water changes and water quality testing.

By keeping fewer fish, both the decline in dissolved oxygen and the
rise in toxic ammonia will be slower when the filtration system is not running.

If water quality and chemistry (such as ammonia, nitrite and pH)
are correct, you don’t have to worry about water quality immediately after a power outage.
read more

How long can fish survive without power?

In this shallow water, the movements of the fish will cause the water to circulate so it can pick up more oxygen from the water surface. The fish can survive under these shallow-water conditions for more than two days, maybe even a week or more, unless they are really crowded or not in full health to start with.

How do I keep my fish alive?

Do not over feed. …
Remove uneaten food. …
Never remove more then 25% of the water during a water change. …
Never empty and scrub out the tank or clean gravel and ornaments with soap. …
Always use water conditioner when adding new water.

Do you have other ways to manage you koi pond during power outage? Please leave in the comments below thanks