Natural Chemistry Pool Magic with PHOSfree is a unique formula that contains enzymes that break down organics preventing scum-line from forming in your pool. PHOSfree eliminates phosphates and keeps them low in the winter. The dual-action, non-toxic enzymes make the water feel soft and silky. One bottle treats up to 25,000 gallons.

Specifications:
• Contains enzymes that break down organics preventing scum-line from forming in pool
• Eliminates phosphates and keeps them low in the winter
• Makes water feel soft and silky
• One bottle treats up to 25,000 gallons