Lumen is available in individual 2-lb. jars or a 4 pack (4 x 2-lb. jars). A chemical cleaner and descaler, lumen removes mineral deposits in the boiling tank. We recommend cleaning your AquaNui boiling tank every 3 to 6 months, depending on the hardness of your water. Download MSDS.
NOTE: LUMEN CAN ONLY SHIP GROUND IN CONTINENTAL U.S. AND CANNOT BE RETURNED.