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.
Turn off the hot water heater and let it cool off. Drain and flush the tank. Flushing the tank first will get rid of any loose sediment. Use household bleach to sanitize the tank. Use 10 gallons of water to 5-6 ounces of bleach. This should sit for a while itâs doing the work.