Clorox Pool & Spa Xtrablue Algaecide 40 oz Lawn Lasts 3 months - except

Lasts 3 months - except fire ants

non-volatile formula that works on over 70 of the toughest weed species

flower beds

Designed for long-lasting use around the farm

Clorox Pool & Spa Xtrablue Algaecide 40 oz Lawn Lasts 3 months - exceptKeep your swimming pool clean with Clorox Pool and Spa Xtra Blue. It prevents the growth of green, mustard and black algae. It also kills bacteria and works without changing your pool's pH level. This pool algae killer uses a patented non foaming formula, which keeps it from staining surfaces and makes it safe and suitable for most types of pools. Results in just 24 hours. Salt pool compatible.