Feb 7, 2007 at 7:44 pm #1221702
I am looking to buy a water filtration system. What i want is a filter that connects to a bladder? Reading on internet there use to be a gravity filter? that attaches to the bladder. I do not like tablets and want to avoid spending time pumping water through filter. Any feedback would be greatly appreciated. Thanks. Matt in FLFeb 8, 2007 at 2:52 am #1377573
@pjLocale: LazyBoy in my Den - miss the forest
The output of many filters (whether hand-pumped or gravity-fed) can be connected to a Platy (a Platypus) bladder or reservoir/bottle using what is called a filter link.
This can be in the form of a filter link cap, or just a properly sized double-ended barb fitting/adapter.Feb 8, 2007 at 9:48 am #1377610
@kab21Locale: Pic: Gun Lake, BWCA
I just ordered the ULA Amigo gravity filter at http://www.ula-equipment.com/amigo.htm and they also have a connector to platypus for sale. I haven't had a chance to use it yet, but sometime in the next month hopefully. I think it has received favorable reviews in the past on BPL.
You could try a forum search on water/gravity filter because there have been some good discussions/reviews in the past on here.
I've only seen a complete gravity filter system available at ULA, but there might be others out there. I think there are also directions to make a gravity filter, but I don't have a link. I think the only difficult part would be sewing the silnylon bag and getting a good seal where the outlet hose goes thru. And of course selecting the appropriate water filter.
KirkFeb 8, 2007 at 10:42 am #1377619
@scottalanpLocale: Northern California
Bill Forsnell has created a filter listed on this board somewhere. Search "Cuben" and "gravity filter" and it should pop up. There seems to be a ton of ways to create these and imagination is the only limit.
I used a silnylon water bag created by the folks at Dancing light gear (I think it was like $9 and constructed very well)…it holds 6 liters I think. I, like Bill, used a Katadyn filter without the housing placed in the bottom and connected via a hose connector and rubber washers. There is no need for a filter clearing device and I imagine it works a little faster than the ULA Amigo.Feb 8, 2007 at 11:42 am #1377629
@trackerLocale: New England
Another way of bypassing the need for a Platy filter hookup device is to just make one. using a solid spare Platy cap you can drill out the center just a hair under the diameter of your filter line hose, insert this hose's end into the Platy cap and away you go!
Be careful with silt laden water, as this especially needs to settle out before pouring into your filter bag. Otherwise it can clog your filter faster than you might imagine….making the weight of a pump filter,, with a prefilter float seem SUL in comparison.
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