API BIO-CHEM ZORB SIZE 6 AQUARIUM CANISTER FILTER FILTRATION POUCH USES SUPERIOR RESINS AND ACTIVATED CARBON TO CLEAN AND CLEAR AQUARIUM WATER, REMOVING AQUARIUM POLLUTANTS SUCH AS COLORS, ODORS, AND HEAVY METALS. THE RESEARCH-GRADE RESIN-CARBON BLEND IS UP TO 3X MORE EFFECTIVE IN CLEARING WATER THAN CARBON ALONE. API BIO-CHEM ZORB CORRECTS POOR WATER QUALITY CAUSED BY POLLUTANTS THAT CAN SUPPRESS A FISH'S IMMUNE SYSTEM, LEADING TO DISEASE OR DEATH. REPLACE EVERY TWO MONTHS, OR SOONER IF AQUARIUM IS HEAVILY STOCKED OR COLORS/ODORS ARE DETECTED. CAN BE USED TO REMOVE MEDICATION FROM WATER ONCE DISEASE TREATMENT IS COMPLETED. CONTAINS ONE LARGE POUCH OF API BIO-CHEM ZORB, TREATS UP TO 55 US GAL OF AQUARIUM WATER.
