Compatible with chlorine, bromine, and BAQUACIL® pools.

Keep pool water in balance with Baquacil Calcium Hardness Increaser. This 8 lb. bag raises calcium hardness when testing shows your pool water needs an adjustment, helping protect the pool surface and equipment over time.

One product for three pool-care systems

Whether your pool is sanitized with chlorine, bromine, or BAQUACIL®, this calcium hardness increaser helps you correct low calcium hardness without changing your existing sanitizing system.

Why calcium hardness matters

Calcium hardness is an important part of balanced pool water. Maintaining the right level helps support the condition of your pool surface and equipment while giving your water-care routine a more stable foundation.

• Raises calcium hardness in pool water.
• Helps protect pool surfaces and equipment.
• Ideal for correcting low calcium hardness based on test results.
• Convenient 8 lb. bag for routine pool maintenance.

How to use

Test your pool water first, determine the required adjustment, and follow the product label for the correct amount and application method. Allow the water to circulate as directed, then retest before making additional adjustments. Store in a cool, dry place and follow all label handling instructions.

Product details

• Brand: Baquacil
• Product: Calcium Hardness Increaser
• Size: 8 lb. bag
• Compatible with: chlorine, bromine, and BAQUACIL® pool systems