- 1 lb. bottle
- Increases total hardness in hot tub water
- Proper calcium levels prevents corrosion and damage to spa equipment and components
- Eliminates etching of plaster surfaces
- Promotes better water balance
- Compatible with all sanitizers
- Helps maintain Calcium Hardness levels between 150-250 ppm
- Makes spa or hot tub water comfortable and enjoyable for users
- Turn on circulation system.
- Add 1 ounce (2 Tablespoons) for every 500 gallons of water to increase calcium hardness 10 ppm. Broadcast product over the surface of the water. Spa may be used immediately after application.
- Wait two hours and retest calcium hardness.
Tinley Park Outlet
Monday - Tuesday: 10am - 6pm
Thursday - Sunday: 10am - 6pm
Bridgeview, Carol Stream, Lake Zurich, Merrillville, Naperville, Orland Park, Romeoville
Monday - Friday: 10am - 7pm
Saturday - Sunday: 10am - 6pm
Customer Pickup Hours
Customer Pickup -
Tinley Park Warehouse
Monday - Friday: 10am - 6pm
Saturday: 10am - 3pm