AQUA CLEAN keeps your water fresh and safe! In just two hours, your drinking water is disinfected and fresh. It remains free of germs for up to six months. AQUA CLEAN contains no chlorine or chemicals. AQUA CLEAN is available in liquid form, as tablets and in powder form. Notes on using this product in aluminium tanksThe liquid form of AQUA CLEAN should be used if at all in aluminium tanks, as this disperses fastest and better in the water and thereby prevents the tank surface from being exposed to high concentrations at some places. AQUA CLEAN powder and tablets for use in aluminium tanks should be dissolved in water before being added.Use biocidal products with care. Always read the label and product information prior to use.