I changed the filter in our Multi-Pure undercounter water filter about
six hours ago and am somewhat suprised to see that when I dispense water
from it it's still farting air every five seconds or so.
I guess it must take considerable time for the entire filter element to
get saturated with water, so some air keeps getting pushed out of it
when the water is running.
I'll see how it is tomorrow.
No, I only let it run for maybe 3 minutes before posting my question here.
Yer right, I should RTFM, the filter label DOES say that near the end of
the replacement instructions. But I'd expect that if there was a genuine
hazard in not doing that it'd be printed in larger font with a big
"WARNING" adjacent to it.
I didn't read the whole filter label, likely because the replacement
procedure is so obvious.
We use the same MultiPure filter with a CB6 cartridge ahead of our
office's hot & cold water dispenser.
About once a year the local MultiPure representative swings by, cleans
the dispenser and changes out the filter. But he sure doesn't hang
around for a half hour afterwards running water to waste when he's done,
nor does he tell us to do that. That's another reason I didn't think to
run a lot of water down the drain.
I'll have to ping him about that.
Hard to believe the serendipity of it, but our Multi-Pure distributor
called me this morning to schedule a cleaning and filter change.
I asked him about the "flushing" of a new filter and why he didn't run
(or tell us to) run walter for half an hour after the filter change. He
explained that he preflushes the filters before he brings them over and
That made sense. He also told me that there's no real health hazard
involved in not flushing the filters for half an hour, it's just that
initially a lot of fine air bubbles will show up in a glass of water and
give it a cloudy look. I told him I'd noticed that and the bubbles
dissapeared from the glass of water in less than a minute. He said five
minutes of flushing a replaced filter is plenty of time.
End of story...
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