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.
Assuming you fall into the second category of people, youâve come to the right place! Here are six things you need to know about RV black water tanks, and how to care for and clean them: 1. Background. An RV has two types of waste tanks on board: a gray water tank, and a black water tank. A gray water tank collects the water that goes down the drain of your RV shower and sinks.