This is a concentrated, non-foaming algaecide product that, when used regularly, will prevent and kill the growth of green, black and yellow algae. At the beginning of the season when opening your pool add 8oz of product for each 10,000 gallons of water in your pool for an Inital Dose. For a maintenance dose, add 2oz every 5 days for the same 10,000 gallon pool size. If the pool has slight visible algae growth, treat with the "Initial Dose." Vacuum pool after 24 hours to remove algae drbris. If visible algae are still present or re-appear, repeat this treatment as necessary. When pool is free of visible algae, use the "Maintenance Dose."

• Prevents green, black and yellow algae
• Non-foaming formula
• Compatible with Salt Systems
• 3 Times stronger than the original HTH Algae Guard, 30-percent strength

Prevents green, black and yellow algaeArch Chemical