Stain Free, a citric acid-based product, is your go-to solution for effectively removing metal stains from pool liners and finishes. Ideal for all pool surfaces, this versatile formula is compatible with various sanitizing systems. When used in conjunction with Natural Chemistry's Metalfree, you create the ultimate 1-2 combination for powerful stain-fighting action.

Directions:

• Lower chlorine to 1 ppm.
• Apply 1 lb per 10,000 gallons.
• Brush pool surface.
• Add Metalfree after 1 hour.
• Use filter aid for DE/sand filters.
• Vacuum after 24 hours.
• Clean filter.
• Test and rebalance water after 1 week.
• Use METALfree as part of your weekly maintenance routine to prevent the recurrence of stains.

Stain Free by Natural Chemistry provides a comprehensive and effective method to combat metal stains in your pool. Follow these steps for a stain-free, crystal-clear pool that remains beautiful over time. Enjoy the benefits of a well-maintained pool with the ultimate stain-fighting combination!