Pools
7 results
- •Raises calcium hardness levels to help prevent corrosion, surface etching, staining, and cloudy water in pools and spas
- •Made with 100% calcium chloride pellets that dissolve quickly for fast and easy application
- •Maintains proper water balance to protect plumbing, heaters, and pool surfaces, extending the life of your investment
5.0
- •All housings need 12 inches above the laterals
- •FilterBalls Minis for use in sand housings rated 250 lbs or less
- •FilterBalls are Made in the USA, are fully recyclable, and certified to NSF/ANSI 50 for use in commercial and public pools and the NSF/ANSI certifications 42, 61 and 372 for drinking water health and safety


