- Raises Calcium Hardness in spa water, which should be maintained at 100-200 ppm.
- Acrylic etched by low Calcium Hardness will become abrasive and uncomfortable for bathers. Rough acrylic makes cleaning difficult and increases algae problems.
- Active Ingredient: Calcium Chloride – 100%
Directions for Use
- The addition of 10 g (approximately 1 teaspoon) of this product per 1000 L of spa water will raise Calcium Hardness by approximately 10 ppm. Add directly to water. Divide total dosage required by three – Add one third every 6 hours to prevent clouding.