First Need purifier

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krispykritter
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First Need purifier

Post by krispykritter » Jan 07 2011 8:03 pm

I just got this purifier fron an friend where I work. He told me he bought it along time ago pumped maybe 5 gallons through it and it been sitting for years. I see they still sell them and I can get filters. Are they good purifiers? Since hasnt been used for some time should I get a new filter or will it be ok? In the paperwork they talk of backflushing it with a little bleach do you think that would be good enough?

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big_load
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Re: First Need purifier

Post by big_load » Jan 07 2011 8:12 pm

They're quite good, although a bit heavy. Check the manufacturer's recommendation for cleaning, but I would expect the current filter to be OK after that.

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krispykritter
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Re: First Need purifier

Post by krispykritter » Jan 07 2011 8:59 pm

Wow this thing is older than I thought. Lookin at the bottom of the brochur it said 1988.

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Sredfield
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Re: First Need purifier

Post by Sredfield » Jan 07 2011 10:03 pm

I use this kind, and do back flush it with a mild bleach solution. There is a test procedure I believe with blue food coloring / dye of some sort. I lost my bottle of that so have used the old filter, with no problem. The new model filters are supposed to have several improvements but I've not bought one yet. Mine has "purified" some pretty nasty water.
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hikeaz
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Re: First Need purifier

Post by hikeaz » Jan 10 2011 11:46 am

Very good filter. I doubt that 'sitting' has caused any degradation. You only need to backwash as the filter becomes clogged with particles, which will usually manifest itself by it being hard to pump.
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skatchkins
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Re: First Need purifier

Post by skatchkins » Jan 10 2011 5:00 pm

I use that one too
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whereveriroam
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Re: First Need purifier

Post by whereveriroam » Jan 11 2011 12:01 am

Good purifier but the new cannister filters are much bigger then the older ones. I'd rather have a smaller one to lighten the weight. To check if the filter is still good I usually put 2-3 drops of blue food coloring dye in a pint size glass. I then pump the "blue water" into a clear glass. If the pumped water is blue, then the filter is no good. If clear your good to go but these filters just go bad without warning so check prior to each trip. I've found with the older and smaller cannister filter you'll get about 60 gallons out of them in AZ instead of the advertised 100. Best price I've found on replacement cannister filter is from backcountry.com

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