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

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

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

Add 1 teaspoon per 10 gallons of water weekly.