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Hi folks,

Does anyone have thoughts on filter setups for a rack with multiple tanks?

Since my setup is breeding/planted tanks, sponge filters would be best for fry. With multiple levels, I figure canister filters are best for planted tanks and will store easier on the bottom level of the stand. From what I can tell canister filters are easier to maintain, harder to clean, require less space inside the tank.

I have been reading that hobbyists prefer sponge filters because they are easier to clean, need less space out of the tank, and are inexpensive.

Lastly, I was wondering about the three filtration types: Mechanical, Biological, and Chemical. Plants are natural filters which provide biological and chemical filtration. Sponge filters are mostly biological. Canister filters use mechanical, biological, and chemical. Though, canisters contain less biological media than other filters. With a sponge filter and aquarium plants in a 30 gallon breeder tank, is mechanical filtration really needed?

Thank you,
George
 

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Unless ur putting trash in ur tank, there is no such thing as mechanical... it all eventually can be broken down by bacteria. "Mechanical" just removes large debris that cannot be relatively quickly handled by bacteria.. i run bio only, dont intend to change my media anytime within the next year. I have more media than my tank requires so bigger debris has time to break down. I check my filters but they dont seem to ever get clogged. What plants dont get water changes handle after that
 
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