API Nitra-Zorb for API NexxFilter & Rena Smartfilter

by API

Composed of natural and synthetic ion-exchange resins in a convenient pouch. Selectively removes ammonia, nitrite and nitrate from freshwater aquariums. Completely rechargeable with Doc Wellfish's Aquarium Salt.

  • 7.4 oz pouch in jar
  • Treats up to 55 gallons

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