Spa Choice Increase Calcium for Spas and Hot Tubs, 1 Quart

Increase the calcium levels in your spa or hot tub with this bottle of Increase Calcium for clearer water and to promote the lifespan of your equipment. The right calcium level (between 150 and 300 parts per million) reduces corrosion risks and scale formation on your spa's interior.

• Increases the calcium hardness in spas and hot tubs
• Best calcium level is between 150 and 300 parts per million
• Too low calcium level can cause foamy water and corrosion, too high calcium level can cause cloudy water and scale formation
• Regularly use test kits or strips to measure calcium levels
• Bottle contents are one quart