Calc Free is an effective solution for preventing limescale and other underwater minerals. Add Calc Free to your pool water and enjoy smooth, clear pool walls and floors. Pool water contains minerals that can lead to limescale and metal ion precipitation, resulting in a rough and discolored underwater surface. Calc Free prevents these problems and maintains your pool's hygiene. Furthermore, Calc Free makes it harder for microorganisms and dirt to adhere to limescale. Product Specifications: - Prevents limescale and metal ion precipitation - Makes pool walls and floors smooth and clear - Maintains pool hygiene - Makes it harder for microorganisms and dirt to adhere - Suitable for all types of pools - Easy to add to your pool water - Keeps your pool cleaner for longer and maintenance-free - Safe and environmentally friendly