ScaleMAX will deep clean basin pits, cracks and crevices to ensure a new appearance all year round. ScaleMAX will also help to prolong the life of fountain pumps. ScaleMAX safely removes limescale and calcium deposits in all models of fountains, bubblers and water features. Its unique, gentle formula allows for use on all substrates; ceramic, cement, plastic, resin and rock. Application Rates 30ml – Treats up to 38 Litres 60ml – Treats up to 76 Litres 120ml – Treats up to 152 Litres 240ml – Treats up to 303 Litres Apply ScaleMAX once a week, Do not apply ScaleMAX limescale remover at any other rate than the rate prescribed above once a week.