M minh le New member Dec 2, 2009 #1 I have a 20000 gallon fish pond. with about 270 koi. the water is fairly dirty and hard to see through. And the UV light is brand new. Is it ok to put the cat's and a pleco in there?
I have a 20000 gallon fish pond. with about 270 koi. the water is fairly dirty and hard to see through. And the UV light is brand new. Is it ok to put the cat's and a pleco in there?
