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Re: [APD] Re:empty CO2 cylinder
I think Steve recommended a needle valve rather than a
check valve to prevent a backflow of water. That was my
disagreement with him.
Perhaps he misspoke or I missread.
I'm open to comments. ;-)
--- Bill Lynn <wlynn at telus_net> wrote:
> I'll agree with Steve Pushak.....at most with my 5lb
> CO2....at the end there
> was an increase in the bubble count but only a minor
> change in pH.
> I had for over 10 yrs a 5lb CO2-->regular welding
> pressure valve-->check
> valve-->Dupla bubble counter-->dupla reaktor-S. I
> regulated it via a CO2(pH)
> underwater bell. A quick daily check of the colour would
> indicate a change
> in flow. Except with a new refill I almost never had to
> adjust the the
> bubble count (the tank was good for 4-5 months:
> 24hrs/day) The the check
> valves are a must, a small price to pay verus a new
> regulator/tank. I also
> have a small spare tank for in between fills. The only
> time I had a 'dump'
> was due to my own stupidity. Steve is right on the re-
> certification (every
> 5yrs?) but I didn't pay $60..( I live across the water
> from him)
> However, I will admit my check valves are pretty skookum
> so I think they
> would prevent any low pressure dump. I never used a
> needle valve on this
> setup (but I have one now...I am finally setting up again
> after 2yr!).
> In the end the underwater bell indicater save my
> aquarium's butt more than
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