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I'm going to carry a large metal coffee tin, the type I use to get MJB in. I don't know if they still make them, coffee now seems to largely be sold in bags or plastic, but I bet I can find them at thrift stores.

I put stuff in the coffee tin in my pack (IE first aid kit, spare socks and underwear, etc.) - find rapid running water part of stream, rinse coffee can, fill coffee can from the well oxygenated rapid flowing surface water, and then put the pickup for the filter pump in that.

That should be good enough without using iodine to refill a water bottle.

dv wrote:

Some1 wrote:

Wouldn't it make more sense (taste-wise) to add the iodine, then filter, then flavour?

Do you think there'd be any advantage to filtering twice? (Before and after the iodine treatment)

The more I think about it, I suppose there wouldn't be. At least assuming the filter is good enough to get what it's going to get the first time around, and assuming that the iodine will kill anything, no mater how much is there.

But my belt-and-suspenders hindbrain is telling me I would want to do it that way.

I meant iodine before filtering, and not filter before adding the iodine. Wouldn't the filter remove much of that lovely chemical taste after the iodine had done its job killing everything?