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The API Water Softener Pillow contains ion exchange resins to remove calcium, magnesium and soluble heavy metal ions, including iron and copper. Th...
View full detailsAPI Nitra-Zorb for API and Rena Filters is a convenient pouch of natural and synthetic ion-exchange resins that selectively remove ammonia, nitrite...
View full detailsAPI Bio-Chem Zorb (formerly branded Rena Bio-Chem Zorb) is the most scientifically-advanced filter media available. Use Bio-Chem Zorb for sparkling...
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