Directions for use: 1. If pool has algae, follow dealer instructions to treat 2. Follow dealer instructions to balance water chemically 3. Clean or backwash filter, if necessary 4. Determine required PHOSfree dosage from chart Note: It is recommended that you have your water tested by your dealer who can accurately measure your pool phosphate level 5. With filter running, shake bottle well, and add required dose directly to the skimmer Note: If DE filter pressure rises above normal range, bump filter per manufacturer's instructions and restart. Repeat until pressure stays in normal range 6. Run filter 8 hours/day for one week or 48 hours continuously without backwashing or cleaning. When phosphate levels are 100ppb or less, begin maintenance with a weekly dose of: Pool Perfect+PHOSfree Weekly Maintenance Dosage 1 cap (4oz) per 8,000 gallons (30,000L)