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.
To sanitize your tanks: 1  Drain the water heater first. 2  Locate the low-point water drains and open them so the water can drain completely. 3  Find the fresh water tank and drain the water in it.  What you want to do next is refill the tanks with a mixture of bleach and 1  water. Drain the tank again as in #3 above.  Refill the tank.