"We fixed the rain drain of our tent using small water bottles."
It helps if you drink a lot of water to begin with. Dehydrated? Then you're outta luck!
From the submitter:
Pipe from shower drain broke. 25' of sump pump tubing+zip ties+duct tape=PROBLEM SOLVED!
We were all blind to what was going on.
Even wastebaskets are recycled at Infopark, Budapest, Hungary.