GoKartz wrote:
how did you modify your hard pouch to be waterproof?
Sorry for the delay in replying to this, I use neopreane foam sheets of the type sold by stationery and art suppliers, cut to shape to form a gasket in the lid:


It wont withstand more than a brief period of submersion, but it works for swimming across rivers.
If you are using the tactical tailor boxes, as I am, you will also need to seal the press stud hole and around the rivits with a little epoxy.