Initial Treatment of Fresh Fill:
Add 8 oz (237 ml) per 200 gallons (757 L) directly to spa water.
Weekly Maintenance:
Add 1 oz (30 ml) per 200 gallons (757 L) directly to spa water.
Note: If water hardness level is above 500ppm, double the recommended dose.
Initial Treatment of Fresh Fill: 8 oz (237 ml) per 200 gallons (757 L).
Weekly Maintenance: 1 oz (30 ml) per 200 gallons (757 L).
Natural Chemistry Spa Stain & Scale is a highly concentrated, phosphate-free formula that will not affect water chemistry.
Use Natural Chemistry Spa Stain & Scale to prevent scale build-up and excessive staining due to excessive calcium, iron, copper, and other minerals.