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Pond Aeration

Pond Aeration Pond Aerators - Hakko Air Pumps, Tetra Air Pumps, Pond Master Pumps and Cal Pumps

Pond Aeration Systems

Aeration is the term that we use to mean adding air to the water. Since air contains 22% oxygen, aeration adds oxygen to the water.

There are a number of essential pieces of equipment to consider when planning a pond; none more so than a good reliable quality air pump (fish pond aerator).

So why use a fish pond aerator?
A Koi pond is more than a hole in the ground with a liner and some water. In order to have a healthy, dynamic pond environment you also need a biological filter, a source of pond aeration, a circulation pump and adequate space, or volume. It is important to note that all of these elements must work in harmony with one another.

The filtration system purifies the water from wastes, bacteria, and other toxins. A fish pond aerator supplies air to the water so the fish will have oxygen and the water does not stagnate. The pump moves the water through the filter and fish pond aerator. This cycle is the lifeblood of a pond.

Water ponds, fish, and oxygen ... the big secret to Koi fish keeping.
We survive on this earth because we can breathe oxygen. Koi need oxygen and the beneficial bacteria that keep the water healthy need oxygen.

Where is the best place for pond aeration systems to add air or oxygen?
Directly into the biofilter system as close a possible to where the bacteria are sitting. This is why vortex filters and Japanese matting work so fantastically well together in any serious water pond aerators.... but only by pumping plentiful volumes of air around the Japanese matting matrix.

How much air should you add to your Koi Pond?
Add as much air to your pond as you can using air pumps (pond aerators) and air stones to distribute the air (highly recommended for ponds that are heavily stocked). You can add the air directly to the pond, the filter, the waterfall and anywhere else you can think of.

Pond Volume in Gallons10002000300040005000600070008000900010,000
Liters of air/min required to maintain
Dissolved Oxygen at Koi Safe Levels
4080120160200240280320360400

These numbers are intended as a guideline. Your application may vary according to stocking levels. (In general terms, 40lpm per 1000 gallons is a good rule of thumb.)

The amount of oxygen water can hold is dependent upon atmospheric pressure, salinity, and temperature. Water can hold less oxygen as altitude increases. Salinity is not important for most freshwater fish producers. The most important factor is water temperature. As temperature increases, water can hold less oxygen. Most low oxygen problems occur from June through September. The reasons for this are:

The last note for safety
NEVER - NEVER install a fish pond aerator BELOW water level! (Unless you install a check valve in the line!) If at any time your power supply to your fish pond aerator is interrupted, water will back siphon down the delivery tube and flood the pond aerator's workings, rendering the pond aerator inoperative, to say nothing of the danger of water and electricity coming in contact.


Pond Aeration

Pond Aerators - Hakko Air Pumps, Tetra Air Pumps, Pond Master Pumps and Cal Pumps


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