The SpaGuard Rapid-Dissolve Alkalinity Increaser Tabs will quickly raise the alkalinity level in spa water. The alkalinity level should be maintained at 80-120 ppm as measured by an accurate test strip or kit. This dry tablet is much safer and easier to use than liquid acids. Using this product regularly will help make maintaining proper water balance a breeze.

• Quickly raise alkalinity level of the water
• Easy application to achieve maximum bather comfort
• Protect spa equipment and surfaces