API® STRESS ZYME bacterial cleaner contains over 300 million live bacteria per teaspoon to digest waste and reduce aquarium maintenance, keeping your tank clean and enhancing the natural cycle in the aquarium.

Making STRESS ZYME bacterial cleaner part of your regular tank maintenance routine ensures an active biological filter, a cleaner aquarium, healthier fish, and good water quality.

This product can be used in both freshwater and saltwater aquariums.

Add one teaspoon per 10 gallons of water weekly.