API Bio-Chem Zorb (formerly branded Rena Bio-Chem Zorb) is the most scientifically-advanced filter media available. Use Bio-Chem Zorb for sparkling clean water and healthy fish!
- Removes organic waste, toxic gases, water discoloration, foul odors and phenols in fresh and saltwater aquariums
- Removes toxic heavy metals in freshwater
- Bio-Chem Zorb will not release phosphates
Bio-Chem Zorb is a blend of 2 research-grade scavenger resins, 2 pharmaceutical-grade ion-exchange resins and high porosity activated carbon in a convenient filter pouch.
Directions: Easy-to-use pouch works three to six months, change regularly for clean and clear water.
- Size 4 – Fits API Nexx Filter and Rena SmartFilter
- Size 6 – Can be used on any aquarium filter including the API XP Canister Filter up to 55 gallons
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