A MUST FOR FRESH FILLS OR TOP-OFFS!
- Helps eliminate iron, copper and manganese and other metallic stains that can occur in spas.
- Effectively disperses precipitated metals and other staining agents in spa water.
- Can also be used to gradually remove an existing stain!
- Dosage: 16 oz. per 500 gallons (maintenance) or 32 oz. per 500 gallons (stain-removal).