★★★★★
KOI Pond 101
I realized that I couldn't keep my pond clear for more than a couple of days before it started to green up again. I had thought that the waterfall alone would provide enough aeration to the 1,000 gallon pond, but I was wrong. The addition of this aeration kit cleared up the pond in the first day, and has helped keep it crystal clear ever since. The fish are much more active and seem to enjoy the bubble action. A great necessary addition for any pond, at a great price.