Clorox Pool & Spa Xtrablue Algaecide 40 oz Catalyst apply anytime as a preventative

apply anytime as a preventative treatment or after you see evidence of insect activity

(1) SQ3 1' Square bits

Ideal for walls

Cuts abrasive construction materials

Clorox Pool & Spa Xtrablue Algaecide 40 oz Catalyst apply anytime as a preventativeKeep 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.