Pond Balance 20.6 lbs treat 60,000 gallons

Interpet Pond Balance granular pond additive that locks out nutrients so the string algae starve and die back. Will not harm plants and contains a plant stimulant. Treats a 20,000 gallon pond 3 times or a 60,000 gallon pond once, use regularly for best results. Made in UK Eliminates string algae and organic debris in a pond. Safe for fish and plants. Does not cause oxygen depletion in water like some chemical algaecides can. Starves algae by depriving them of specific and necessary nutrients. Stimulates aquatic plant growth by promoting a natural ecological balance. Like all natural products, patience is required! Please allow 4-6 weeks to see complete results!