Blue Wave® Black Zapper® Black Algae Killer, 4 x 1 qts (NY100-4) – Obsolete

Description

Stop black algae from attacking your pool. This powerful algaecide has been formulated specifically to kill and prevent tough black algaecide strains. Super concentrated formula is non-clouding and low-foaming. Maintenance dosage: 16 oz. per 10,000 gallons.