Enagik 6 Cleaning Powders E-Cleaner Citric Acid Made for Machines SD501,JR2 and K8

E-Cleaner Refill Powder Compatible/Replacement with SD 501 and K8 Water Machines 6 packs x 30 grams The recommended frequency of the cleaning process is once a week or every two weeks. Be sure to turn off the water faucet and turn off the unit before starting the cleaning process. Be certain you have turned off the power and unplugged the electrical cord before cleaning. For Sd501 Use one package of cleaning powder per application, for K8 use two packages of cleaning powder for application.