Magnoball - Anti Limescale Device for Washing Machines & Dishwashers. The Ecozone Magnoball has been scientifically proven to remove and prevent limescale from setting in your washing machine and dishwasher, in an effective and non-chemical way. It acts by crystalizing the lime scale, making it impossible to stick to clothes, pipes, or heating elements. Product Advantages: - Reduce amount of detergent by 70%. - No more anti-lime scale tablets. - Reduce the machine temperature. - 5 year guarantee. Product Details: - Suitable for all washing machines and dishwashers. - Uses magnetic power to eliminate lime scale.