Thoughts on a weird/unique way to empty holding tanks.

[TURNKEY]

Would it work to use just the hose to dump the tanks into a pit toilet?

Once in a very blue moon we camp in an area that has no near dump stations but has pit toilets. I have researched macerator pumps like Flo-jet but $300 plus is a lot to pay for something I wouldn't use every year.

The solution would be a two person job with a long hose. You run the hose to the pit toilet and have one person hold it there to ensure it will not fall away. The second person pulls the valve open, this will fill the hose, but probably nothing will come through the hose as the far end may be higher than the tank level.

Then if you raise the hose off the ground starting near the rv and walk the raised portion towards the toilet whatever is in the hose should go downhill into the toilet. The process will take several of these "milking" moves and some time but should work...right????

[agesilaus]

Just how many hoses do you carry?

[profdant139]

That might work, but might not. (Bear in mind, of course, that many vault toilets prohibit the draining of cassettes, let alone black tanks!)

The problem will be at the end of the process. Let's assume you have "milked" as much as you can. There will always be a residue at the upstream end of the hose, since the vault is above the level of the black tank valve.

So when you go to remove the hose from the black tank valve, the chances are really good that there will be a little surprise waiting for you.

Let us know what happens -- good luck!