What chemicals might I get for the fresh water tank, the gray water tank and the toilet / black water tank; and, how should I use them.....the chemicals that is?
John any rv place or wally world have several different brands. Just follow the instructions on the product. Having said that we hardly ever use chemicals just water, water, water and flush good. You can do a search here on the past forum and find plenty of opinions as we all have diferent views. Find what will work for you and stick with it.