API Stress Zyme Bacterial Cleaner for Ponds & Aquariums - Beneficial Bacteria Water Treatment, Removes Sludge & Improves Water Clarity - Ideal for Fish Tanks, Koi Ponds & Water Features

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 improving 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.

DIRECTIONS FOR USE:

Add 1 tsp. per 10 gallons of water weekly.