Dezcal™ Activated Scale Remover Liquid is specifically formulated to effectively descale hot water tanks and components of coffee and espresso machinery; by removing mineral deposits which clog and impair brewing equipment, Dezcal™ allows machines to perform at optimal levels. It can also be used to maintain faucets, sprayheads & milk systems and is non-toxic, biodegradable and a safe liquid descaler.Directions<ul> <li>Create a solution using 50ml Liquid Dezcal™ in 500ml hot water. For other volumes, use 1:10 ratio of Liquid Dezcal™ to water</li> <li>Add solution to water reservoir</li> <li>Hold solution in vessel for up to 30 minutes</li> <li>Rinse all parts thoroughly</li></ul>