API Marine Stress Zyme 473ml - Beneficial Bacteria for Aquariums | Reduces Fish Stress & Improves Water Quality | Ideal for New Tank Setup & Water Changes

API^® Marine Stress Zyme contains millions of live bacteria that consume sludge and organic debris, reducing aquarium maintenance by keeping live rock, coral, sand, gravel, and aquarium glass clean. May be used weekly to reduce aquarium maintenance and maintain a strong biological filter.

Making API Marine Stress Zyme a part of regular aquarium care ensures an active biological filter, a cleaner aquarium, healthier fish, and good water quality. 

DIRECTIONS FOR USE:

Add 5 ml per 10 gallons of water weekly.