Canister Filter | REEF2REEF Saltwater and Reef Aquarium Forum
May 15, 2018· There is no advantage to duplicating the filtration through say bio pellets in a sump/reactor and bio pellets in a canister. The same goes for carbon, filter mesh or sock, etc. ... I bought a canister filter 3 years ago before I set up my tank with intention of using it, after researching I decided to go with a sump instead. ... DE. I use a ...