Originally Posted by dave3235
Why not use NITROGEN to inflate our inflatables or ribs.
If you had ready cheap access to DRY nitrogen it would be perfectly feasible. However most people don't have access to that, certainly don't have it at the dockside and won't have it with them if something needs topped up etc.
It only takes a tiny drop of water evaporating/condensing to make a big difference to tube pressure. With so much water around its very difficult to ensure the inside of your tubes never get any moisture in them. I have wondered whether putting a sachet of molecular sieves inside tubes would be better than the expense of PRVs.