Alum from a grocery store, as simple as that. Thanks for the info. There's a store near me that sells lots of canning supplies, so I'll look there for Alum.
The PUR Reliance product sounds good, too. I might have to take a couple different products and have a water "bake-off"!
Kayak Deck Gear Bags
Touring Kayak Paddles
|Table of Contents|