Aquarium - Lynchburg Classifieds

1 item
FOR SALE ARE TWO 4 LITER BUCKETS OF SEALED MATRIX ROCK FOR YOUR UNDER GRAVEL FILTER, CANISTER FILTER, OR POND FILTER. $55 TAKES IT ALL.Product DescriptionMatrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix is a porous inorganic solid about 10 mm in diameter. Each liter of matrix provides as much surface lt162 m as 40 liters of pl...
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