Dissolves lime sediments and scale, gently cleans electric kettles, electric coffee makers, etc. Application: Read the instructions before use. To clean appliances, dilute in the ratio 1:5 (one part decalcifier, 5 parts water) and proceed following the instructions for use for the appliance you are decalcifying. For greater efficiency in a strongly calcified environment, we recommend using hot water. After decalcification, rinse the treated surfaces with clean water.