Natural Chemistry Stain Free

1 lb of Stain Free for every 10,000 gallons of water.

This product is a heavily concentrated formula for treating stains on your pool.

Stain Free is ideal for treating staining on all pool surfaces. Stainfree is an ascorbic acid product, which is similar to everyday vitamin c. Use Natural Chemistry's Metal Free and you have the ultimate 1-2 combination for stain fighting!

Important: Do not add any chlorine or shock treatment until the pool surface has been thoroughly vacuumed and filter cleaned. D.E. and cartridge elements should be removed and cleaned, sand filters backwashed.

Before You Use Stain Free: It is Important to make sure pool water is properly balanced before using Stain Free. Chlorine levels should be 1 ppm or less. Do not add chlorine until stain removal process is complete. pH should be 7.2 - 7.6. Total alkalinity should be between 80-120 ppm. Water hardness should be between 200 and 400 ppm.

A non-polymer filter aid should be used in sand filters with this product.

1. Add 1 pound (1 lb/0.5 kg) of Stain Free per 10,000 gallons (38,000 L) of water. With the filtration system on, walk around the pool and sprinkle the product evenly on the surface, brush stained areas.
2. 1 hour later, add Metal Free to pool water at the rate of 32 oz. (1 L) per 20,000 gallons (75,000 L).
3. 24 hours later, pool should be vacuumed carefully and the filter cleaned.
4. Test water and balance water if necessary.