Aquarium Bio Ceramic Rings 6 lbs in 6 Filter Media Bags for Fish Canister Filter Formal Wear and Weddings The best canine flotation jacket

Aquarium Bio Ceramic Rings 6 lbs in 6 Filter Media Bags for Fish Canister Filter Formal Wear and Weddings The best canine flotation jacketExtremely porous ceramic media for efficient biological filtration. Their surface area and pores are sized to accommodate bacteria necessary for biological balance and to remove toxic ammonia and nitrite. Hollow design effectively distributes water flow and allows massive colonies of beneficial bacteria to grow on and inside each ring, creating an ideal bio chemical filter. They will not break down in the filter or alter pH or water hardness. Great

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