Hydroglide Calcium Remover is a non-DG solution to assist in the effective removal of calcium build-up from hydroslides, pools & other equipment as well as limescale. Low in pH & concentrated, it’s safer to use than other products (it’s made from eco-friendly Canadian organic salts). Use along with our Hydroglide Descaler for best results. Avoid acid-sensitive surfaces (e.g. aluminium or marble). Hydroglide Calcium can be used neat for heavy duty work, or diluted up to 3:1 (33%) with water on fresh calcium buildup. Spray or brush on, agitate with a brush as required, then rinse with plenty of clean water. Test on a small area to start. Always wear PPE For limescale buildup you should also look at our Hydroglide Descaler. Available in 5 litre and 20 litre sizes. Check out our specialty products flyer here: Specialty Tough Cleaners Flyer Check out our shipping page here: Shipping policy.