HTH Granule Calcium Hardness Increaser (1.8 kg)

• Increase calcium hardness in your swimming pools with HTH Granule Calcium Hardness Increaser
• Prevents corrosion of metal & plaster surfaces of your pool
• Test your water weekly to check if calcium hardness levels are between 200 and 500 ppm
• Great for all pool types including vinyl-lined pools and salt water pools
• Use according to directions and warning statements on the packaging

SKU:2048310