Hi guys!
I was playing on Youtube and just for the heck of it typed in 'repairing leaky waders' and found this:
http://www.youtube.com/watch?v=UM-pUkl_KSE
Kinda neat and I might give it a try......sounds less messy than filling 'em up with water, but I'll definetely hold that plan as a backup!
FWIW.....................