Scalemaster Limestop! - the real alternative to a water softener. The perfect solution when a water softener is not an option offering whole house protection to your home. The Scalemaster Limestop can be used where you want to prevent scale forming. It can be placed at point of use or point of entry to the property to take the scaleout of your system. Point of use: For local protection, where space is limited. A versatile solution that can be adapted to customers' needs. Point of entry: To protect the entire water circuit in buildings against limescale. Scalemaster Limestop caters for various fl ow rates and needs no maintenance during the media life span. Commonly used in the following situations where a water softener is not an option. Commercial kitchens where salt .