Brandy Posted September 11, 2020 Share Posted September 11, 2020 Hi all. I got my first canister filter for my larger 29g tank. It is a Cascade 500 and fitted with a spray bar, I added a pre-filter intake sponge from ACO, and instead of the carbon I added bio rings, purigen, and a polishing pad. My filter media, from top down, is a polishing pad, filter floss, coarse sponge, 100ml purigen packet, and biorings. I have been swapping out floss and pads every few weeks. and rinsing the rest in tank water. I have refreshed the purigen once. The tank has been set up almost 3 months. I have a large piece of driftwood in the tank, and a number of wood eating snails (not by design). It seems like no matter how often I swap out the floss and polishing pad, I still have a lot of mulm-y drifting particulates in the water. Is this a new tank thing, or a bad filter arrangement thing, or a swap them out more often thing? I could add a second polishing pad to the lower basket? Thoughts? Link to comment Share on other sites More sharing options...
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