– Prevents calcium and mineral scale buildup
– Controls metal staining
– Phosphate and acid free formula
– Compatible with all spa surfaces and most sanitizing systems
– Neautralizes iron, copper and other trace metals
– Protects against metal stains and water discoloration
33.9 oz. bottle
SPA METALFREE INSTRUCTIONS
This product is designed for use in properly balanced spa water.
Initial Dose: Add 1 capful (4oz) per 400 gallons directly to spa water evenly around the edge immediately after initial fill and after each drain and refill.
Weekly Maintenance Dose: Add 1oz per 400 gallons (one quarter of the large cap) weekly directly to spa water evenly around the edge.
Note: Do not use with biguanides.