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Sera Marin Silicate Clear (500g)
Silicate supports the growth of diatoms in saltwater aquariums. sera marin silivec easily and permanently binds silicate. A practical filter media bad is included with sera marin silicate clear.
Briefly rinse sera marin silivec with running water in its filter media bag before use, then simply place in the external filter. Remains active up to three months, depending on the silicate level.
500 g are sufficient for a 200 to 400 liter tank.