How do you get rid of foam in a koi pond?

Too many koi fish will produce a lot of waste which in turn leads to a spike in nitrite levels making foam appear. This can be fixed by reducing the amount of fish living in the pond or using extra filtration. You can also try adding more live pond plants that will help to use up nitrate produced by the fish.

Why is my koi pond frothy?

If you have fish, especially koi, you’ll likely experience foamy water which often caused by excess protein and nutrients. Foam is simply the result of air and water mixing together, and even though it may be an eye-sore, the foam itself is completely harmless to fish.

Why is my fish pond frothy?

The foam is normally caused by a build up of protein in the pond from organic matter that is decaying at the bottom of the pond; this can be from overfeeding, a build up of fish waste or decaying plant material. It is perfectly normal for foam to appear around a fountain or at the bottom of a waterfall.

What causes white foam in pond water?

These stubborn bubbles (white foam) are commonly due to an excess of dissolved organic compounds (DOCs) collecting in a slick along the water’s surface. The DOCs can come from many sources including overfeeding, a buildup of fish waste, or decaying plant material.

How do I get protein out of my koi pond?

So back to more basic terms, foam is caused by excessive protein levels in ponds, and can look unsightly especially if you have a waterfall, or oxygenators, as these can sometimes foam up the pond even more! So in summary, the best way to get rid of or prevent foam is to perform regular Water Changes.

What is the white film on my pond?

Pond film is usually algae or pollen. If the surface of your pond is white, then the film is being caused by pollen and debris. This problem will come and go throughout the season.

How do I stop foaming in water?

Common strategies for foaming control include: Reduction of SRT (Sludge Retention Time, similar to mean cell retention time, often used in wastewater treatment operation) to wash out filamentous bacteria; removal of hydrophobic substances and substrate that could enhance foaming or favor the growth of filamentous …