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making it suitable for various filtration systems such as canister filters
creating an ideal environment for beneficial filter bacteria
Suitable for all marine reef aquariums
Powerful suction pump for effortless gravel agitation
Hagen Fluval 205 and 305 Foam - A222 Monthly_Promo making it suitable for variousFluval Foam provides mechanical straining of particulate waste. It prevents particulate waste from prematurely clogging other filter media in the Modules Stack. Although the primary purpose of Fluval Foam is mechanical filtration, biological activity will eventually occur within its pore structure. Instructions: Rinse foam monthly or as needed to retain biological activity. Rinse in aged aquarium water. Fluval Foam will deteriorate over time causing a