Fabric softner in Black water tanks
I was told by another RV'er that she use fabric softener in her black water tank. Does this work and how much softener would you put in a 45 gallon tank?
Forum Discussion
I've been using the Geo method myself, although I tend to use handwishing dish soap as opposed to Calgon. The true test is if you can keep your toilet valve open with the fan on in the bathroom and smell nothing foul.
