API® STRESS ZYME bacterial cleaner contains over 300 million live bacteria per teaspoon, to consume sludge and reduce aquarium maintenance, helping to keep the aquarium clean and improve the natural cycle of the aquarium.

Making STRESS ZYME bacterial cleaner a part of your tank's regular 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 for every 10 gallons of water weekly.