At least you replied with a good explanation as to why, Mike.
The reason I am using a canister filter though is to suck up as much leftover food as possible due to the fact that predators tend to be messy eaters and leave a lot left over. I am going to be cleaning them twice a week so I shouldn't have too many problems with nitrates. In the event that I do, I may take them off.
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Current setups: 1800 gallon koi pond, 10 gallon planted, 150 gallon reef, other FOWLR tanks