3-step-program for clean drinking water. Micropur tankcare and water treatment products provide simple solution to the problems caused by bacteria and algae. These products are fine-tuned to work with each other, but will also work well alone. The starter set for the proper care of drinking water tanks up to 250 litre contains: 1 MT Clean, 250 g – activated oxygen dissolves the algae and bacteria build up. 1 MT Fresh, 250 g – with natural citric acid removes musty smells, bad tastes and lime deposits. 1 Micropur Forte, 100 ml -conserves tap water and protects it against bacteria growth for up to 6 months.