The use of food grade materials, fast, thorough removal of the water heater, gas water heater, boiler wall scale. The human body without any harm, can be used directly after washing; on the water heater, storage tanks, sealing gasket, plastic parts and other components without any corrosion; Green formula, cleaning liquid can be discharged directly; strong efficient cleaning effect can be directly monitoring. 
 Usage: 1, the water heater inlet valve closed; 
 2, the product diluted with 40 degrees hot water, and water heater pressure machine with this product into the water heater tank; 
 3, wait 1-2 hours after the water can be discharged. 
 Note: Department store in easy reach of children, if your eating a lot of water and seek medical advice if accidentally gets in the eyes, immediately wash with water. 
 Implementation of standards Q/HDTD1002-2003 
 Net content: 300g / box Code Number: 6934169300503 
 Production Date: see bottom shelf life: two years