Rx Clear Swimming Pool 60 Plus Prevents Algaecide Chemical – 2 x 1 Quart Bottles
OurRx Clear® Algaecide 60 Plus – is our most popular and economical algaecide. Use once a week for the best results and an algae-free pool. Effective in killing green, blue-green, mustard, black, and over 20,000 strains of algae.