[Russell Peters]

Quote: Originally Posted by davidk I'm getting a lot of foam on the surface of my pond that wont seem to go away. I purchased a defoamer but am a bit uncomfortable adding unnecessary chemicals to my pond. My koi all seem to be quite healthy and I do weekly water changes (approx. 1/10th of the volume of my 1200 gallon pond). Does anyone have any suggestions?

This is an indication of being under flitered and/or over stocked. Larger water changes may help but should be only part of what you do.