Removing phosphates is the most effective way of reducing green water in aquariums ... is specifically designed to fit the Fluval 306/307/406/407 Canister Filters. These thick, ultra-fine ...
effortless start-ups with just a few pumps The Fluval 207 Cannister Filter is suitable for freshwater and saltwater aquariums up to 45 gallons (220 L) ...
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