Api Stress Zyme 30Ml Sludge Buster Reduce Maintenance Clear Water

API Stress Zyme contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium maintenance, keeping your aquarium clean and improving the natural aquarium cycle. Making Stress Zyme part of your tanks 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.