Innovative Water Care HTH™ Calcium Up

Raise the calcium hardness of your swimming pool water to protect your pool surfaces and equipment from harm.

• Protects pool surfaces
• Helps chlorine to work efficiently
• Prevents equipment damage
• Compatible with all swimming pools
• Raises Calcium Hardness Levels: Helps prevent swimming pool water from becoming corrosive
• Protects & Prevents Corrosion: Protects pool liners, metal and plastic surfaces as well as equipment from damage
• You’re All Clear with HTH: For best results, use HTH 6-way test strips weekly to test, balance and maintain calcium hardness levels between 200 and 500 ppm

• Test Your Pool Water: Use HTH 6-way test strips or test kit
• Apply HTH Calcium Up: If the calcium hardness level measures below 200, apply directly to your swimming pool and swim
• Test & Balance Weekly: Calcium hardness should be maintained between 200 and 500 ppm