GreenClean Granular Algaecide - 8 lbs - String Algae Control for Koi Pond, Water

Description

Treats up to 16,000 gallons
Non-harmful to fish and aquatic plants when used as directed
Alternative to harsh chemicals – Chlorine, copper and phosphate-free
Begins working on contact, killing algae fast; results in 24 to 48 hours
Immediately begins fighting algae blooms, releasing vital oxygen into the water body as it biodegrades