Rena Filstar Media and "Nexx" Inserts

Rena Filstar Nitra-Zorb Fits XP1-XP4 Filters - 128g Item Code: TRAA4651 A blend of natural and synthetic ion-exchange resins that selectively remove ammonia, nitrite, and nitrate. In new aquariums, Nitra-Zorb controls the level of toxic ammonia and nitrite during initial development of the biological filter. In established aquariums, it helps control sudden surges in ammonia and nitrite caused by the addition of new fish, or anytime ammonia or nitrite is detected. Quantity :  $CAD 10.69