Common misspellings of the word scale are: 1  scale in french. 2  scale in spanish. 3  scale in german.  scale in 1  italian. scale in portuguese.
Designed specifically to sanitize hard non-porous surfaces of water holding tanks in RVs, trailers, campers and boats. 1  Easy-to-Use 2-Part System Step 1: Clean tank with detergent and rinse. Step 2: Sanitize tank with sanitizer. 2  Effective even in hard water. 3  Will not leave grit or soap scum.  Not a drinking water additive.
Ensure the unit is unplugged. Empty the tank and the base of the unit completely and rinse both with clean, fresh water. To clean and disinfect the inside of the tank, fill it with a solution of water and 3% hydrogen peroxide, and allow it to sit for 15-20 minutes, swirling the water occasionally.