Natural Chemistry Scale Free 2 Liter

This Natural Chemistry scale free prevents scaling caused by calcium and mineral hardness. It prevents metal staining and scale build-up to prolong pool equipment life as well as preserving pool liners and finishes. Features deactivates iron, calcium and other minerals. Highly concentrated, phosphate-free formula. Compatible with all sanitizers and pool surfaces. Will not add phosphates or acid to pool water. Recommended dosage are 32-ounce per 10,000-gallons of water and 5-ounce per 10,000-gallons of water for monthly treatment. It can be apply directly to pool water as per dosage chart. If water hardness level is above 500 ppm, double the recommended dose. Comes in 2-liter container.