Odourless, colourless, tasteless and some of the Water Corp’s studies have shown quantities in excess of two percent in the Midland and Beechboro areas. DHMO is also known as hydroxyl acid, and is the major component of acid rain. Can cause severe burns, accelerates corrosion and rusting of many metals and has been found in excised tumours of terminal cancer patients. TAKE TWO MINUTES TO SIGN THIS PETITION TO HAVE OUR WATER CHECKED.