djousma wrote:
My wife washes dishes with Dawn. The problem we have is that it is super concentrated. I believe that soap suds "live" in my gray tank, and as such continually foul my sensors so that they give false full readings. I often think about creating a highly concentrated mix of TSP to add to about a 1/2 full gray tank BEFORE we leave on a long road trip to "wash" the tank. I've never gotten around to it however.
same experience with dish soap. we've switched to another brand. Dish soap is made to foam up so it "looks good", doesn't need to in order to do it's job. Dishwasher soap, laundry soap, especially the HE stuff doesn't foam up much at all.
We live in an areas with very soft water, so not sure calgon does much good. But we use the happy camper stuff in the grey/black tank, put it in before we leave home. Then just before we leave for home, I put in liquid laundry detergent, enough for one load of laundry in each tank. let it slosh around on the way home, then dump the next day at my home dump station. If we won't be heading home and have near full tanks, or are going to another campground, do the same thing then dump along the way after stuff has had time to slosh around.
I avoid dumping the black tank as I leave a campground like the plague, unless it is the only option. Grey tanks, ok, but usually if I have stuff in the black, leave the greys full and use them to backflush the black tank when I do dump.
we camp close to 3 months/year and after 4 years I have never had trouble with excessive tank buildup.
