API Stress Zyme 1oz.

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API STRESS ZYME bacterial cleaner contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium maintenance, keeping your aquarium clean and improvi ng the natural aquarium cycle. Making STRESS ZYME bacterial cleaner part of your tank’s regular upkeep routine assures an active biological filter, a cleaner aquarium, healthier fish, and good water quality. This product may be used in both fresh and saltwater aquariums.API STRESS ZYME bacterial cleaner can be added while fish are in the tank.Instructions: Add 1 tsp. per 10 gallons of water weekly.Size: 1 oz. treats 60 gallons. Show more