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.
Pour 1 gallon into the fresh water fill. We are now ready for the antifreeze. We usually buy two gallons so we have extra for flushing during winter camping, but in a pinch you can winterize with one gallon. Remember if your water heater is not bypassed, you will need 6 extra gallons of antifreeze to fill it. You need to get RV antifreeze, it is non-toxic and can be used in drinking water systems. We prefer to get the stuff in the rectangular bottles â just because they fit between the toilet and the wall in the bathroom. We use antifreeze for flushing during winter camping (we use only the black tank in the winter).