How the product works Effectively dissolves deposits in water tanks, hoses and taps. All you have to do is dose and wait. Once the product has done its job, it breaks down into water and oxygen and microorganisms and dirt are removed from the system. The product is gentle on all types of materials.  Product description A coating slowly builds up in tanks and hoses. It can be felt as a smooth surface on the inside of the water tank. Biocool Clean my water tank cleans the inside of the tank, hoses and taps with minimal manual effort, without giving off any taste or odour. Intended for all types of tanks in caravans, motorhomes, boats and holiday homes. For best results, we recommend cleaning the water tank 1-2 times a year. Clean my water tank is free of chlorine and silver and is easy and safe to use. Once the tablet has dissolved, the residual product is water and oxygen.  1. Dose tablets and dissolve them in 1-2 litres of lukewarm water. Pour the solution into the water tank.  2. fill up the system with water 3. let it work  4. empty out 5. clear

Made in Sweden. Contains 50 tablets which is enough for a tank volume of 200 litres.  Instructions for use 1. Dose 1 tablet per 4 litres of water tank volume. 2. Fill up the entire system; tank, hoses and taps. 3. leave for at least 12 hours 4. drain the water through the bottom plug or tap 5. done - no rinsing required Tips Stagnant water risks becoming unfit for consumption. Biocool Purify my drinking water keeps drinking water safe for three months.