Directions For Use:

Initial high-phosphate treatent: Each tablet will reduce phosphate levels by up to 440 ppb in 10,000 gallons of pool water. Before initial treatment, backwash or clean the filter. Apply the product directly to the skimmer basket while the filter is running. Tablets wil dissolve within 60 minutes. Re-Check filter pressure and backwash or clean the filter if needed. Re-test phosphate levels after 48-72 hours at your local Ultima® pool Dealer.

Maintenance Dose:

Add one tablet of Nano-Phos weekly. Run filter for at least 8 hours per day. Depending on the severity of the phosphate issue, more tablets may be needed to keep them at an acceptable level.

Each package contains 5 tablets.