Some time ago I corresponded with Doug regarding his use of Potable-Aqua Iodine tablets used to purify water in his mini-kit. These required a glass vial for safe storage.<br><br>I was just wondering if the Katadyn Micropur tablets might be a better option? They are much smaller and would consequently take up less space and they come in a plastic bottle so storage in small plastic vials (much more readily available) should not be a problem.<br><br>Just a thought/comment/query<br><br>John M