Was thinking of a way to get on board water on the trailer. Was thinking 3 in pvc pipe. About 20 in long. Set vertically between the two rear sliders. About 13 or 14 would fit. They would be connected on the bottom with a common drain / fill pipe and a common vent pipe on the top. They would be mounted on a metal bracket on the bottom and a brace bracket on top. No interference with the slides or the cargo. Would hold about 30 to 40 gallons. The weight would be on or slightly aft of the axle and so would not increase the tong wight. You could even add a couple of larger pic pipes underneath the trailer, running length wise. The top tanks would drain into the lower tanks and a small pump attached to the lower pipes would provide water for use.
I'm going to looking out this some more this week when I get home from a business trip
So, what's the thought on this?