Helps keep a naturally balanced aquarium by eliminating sludge build-up & preventing ammonia & nitrite poisoning, low oxygen levels, and low pH. Use when setting up and maintaining an aquarium. This product is safe for fresh or saltwater fish, invertebrates, and plants. Use 2 tsp per 10 gallons on day 1, 7, and 14 for new aquariums. Add weekly in established aquariums, at the dose of 1 tsp per 10 gallons. 16 oz. treats 960 gallons.
Keep from freezing temperatures.
Managing Organic Sludge in Freshwater Aquariums - see side by side results of gravel left untreated vs. gravel treated with Stress Zyme!
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