Reddit reviews MSR AutoFlow Gravity Filter
We found 2 Reddit comments about MSR AutoFlow Gravity Filter. Here are the top ones, ranked by their Reddit score.
Filters more than 1.75 liters per minute; 4-liter capacityEffective against protozoa, bacteria, and particulate matterLet's gravity do the work so you don't have to.Can be cleaned repeatedly without disassembly for flow recoveryConnects to most any bottle or reservoir with included Universal Bottle Adapter
I use Source 3L bladder for hydration and filter using an MSR gravity filter which I have rigged up to connect directly to the drink tube using a QD--- the bladder doesn't have to leave the pack to be refilled.
I use floppy bottles for my whisky.
Most gravity filters with a pore size of 0.2 microns. You set it and forget it. Let gravity do the work for you so you can multi-task, or just rest. Get one with a flexible bag and hose for about $85usd and it can roll up nice and compact. MSR Gravity Filter.
When you're starving and exhausted after a long day the last thing I want to do is pump water through a filter.
For backup, boil water or use chemical filtration. But I hear chemical filtration doesn't work so well in lower temps, like below 60F. Like it takes much longer to work, 30-40 minutes or so.
Also, I have not seen studies on how UV works on cysts, which is another thing you have to worry about. You ingest a cyst, the thing hatches, and makes you sick. Giardia won't normally kill you if you drink enough water, but you will wish you were dead. I've had it.