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Save an extra 20% off your entire order with coupon code: May20
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**May not be combined with any other offer.
Code expires 5/23/13
Aquarium Pharmaceuticals Bio-Chem Zorb is the most scientifically-advanced filter media available. Use Bio Chem Zorb for sparkling clean water and healthy fish!
INSTRUCTIONS: Easy-to-use pouch works three to six months, change regularly for clean & clear water.
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.