Rx Clear® Swimming Pool Algaecide 60 Plus

Our most popular and economical algaecide. Use once a week for best results and an algae free pool. Effective in killing green, blue-green, mustard, black, and over 20,000 strains of algae. Not affected by pH. Non-metallic, non-foaming, doesn't stain pool surfaces or turn blonde hair green like copper. Contains polyethylene dichloride, which coats the algae cell and prevents carbon dioxide from getting in--killing the algae quickly. Use 6-11 oz per 10,000 gallons to kill algae, and 2 oz per 10,000 gallons for regular maintenance doses.