Clorox Pool & Spa Xtrablue Algaecide 40 oz Brand_M-D Building Products 18" x 2 5/8" x

18" x 2 5/8" x 7/8" Black Poly Foam Block with Threaded Holes

Diameter: 14mm

Efficient wet/dry filtration for dirt & debris

cleans & kills 99

long nose pliers

Clorox Pool & Spa Xtrablue Algaecide 40 oz Brand_M-D Building Products 18" x 2 5/8" xKeep 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.