this is nice... i currently used this filter on my box pond. i have 7 koi which are 7 to 11 inches, 7 goldfish, 6 barbs, two guramies, and 15 2 inches koi all are placed in my box pond which is 700 gals. the filter runs smothly and distribute oxygen well... woops... take note i made my on canister for filter...

2013-10-23

Aquazonic Black Knight Top Filters