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Removes toxins that can be harmful to fish and lead to algae growth.


Removes ammonia, nitrite, and nitrate from aquarium water.


Easy-to-use pre-dosed pouch fits most canister filters on the market, for use in freshwater aquariums


Use when starting a new aquarium and when ammonia or nitrite is detected, replace every 2 months.

API Nitra-Zorb 7.4 oz.

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