Toilet Cleaner Macerator Descaler is a bleach-free, safe formula for general toilet cleaning and deep descaling. The solution contains phosphoric acid, which breaks down limescale, dirt, and germs without damaging macerator seals and natural septic tank bacteria. Daily use of our macerator cleaner & descaler toilet cleaner solution prolongs the life and efficiency of the unit. A simple, easy and stress-free solution to maintaining macerators, septic tanks and toilets. Safe for use in any saniflo macerator system, toilets, urinals & septic tanks. Clean and descale with a fresh berry fragrance. Use around the toilet bowl for every day, general cleaning. Or for macerator descaling, disconnect the macerator unit from the electric supply. Pour 1-2.5 Litres into the toilet bowl. Turn on the macerator unit again for a few seconds to allow the descaler to enter the system. Turn the macerator off and leave to work for up to 2 hours. Leave overnight for very heavy scale build up. After descaling, reconnect the power supply and flush the toilet to rinse. For hard water areas descale monthly. For soft water areas descale every 3 months.