Thanks for the advice. I’m going along the pennine way so the water will be from high up streams or reservoirs, do you think these sources will need a tab?
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Thanks for the advice. I’m going along the pennine way so the water will be from high up streams or reservoirs, do you think these sources will need a tab?
Hmmm good question. I guess you should be fine on most cases, unless there's cattle around or something. The filter is pretty potent.