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Re: Added A Pressurized CO2 System
- To: Aquatic-Plants at actwin_com
- Subject: Re: Added A Pressurized CO2 System
- From: Dave Millman <dave at tactics_com>
- Date: Fri, 06 Jun 2003 12:01:28 -0700
- In-reply-to: <200306060055.h560trQP006297@otter.actwin.com>
At 05:55 PM 6/5/2003, Tony C. wrote:
2, What is the best method of preventing "end of tank dump"? I bought
a 5lb tank, as well as a 2.5lb tank for use during fill time. I had
heard to check daily on the high side for slowly dropping pressure,
is this the best way?
See the archives for much, um, discussion of this issue. Consensus seems to
be that if there is a needle valve after your regulator, you won't have a
problem. Cylinder pressure will stay around 800psi until the tank is nearly
empty, go get it filled any time after it starts dropping. Most of us just
let the tank suffer without CO2 for the short time it takes us to get a
refill, but if you already have the spare cylinder, so much the better.
3, Should the tank be purged completely after disconnecting it when the
bottle needs to be filled? Or will that happen when the bottle is
filled? Does it need to be completely empty before filling?
This depends on the guy refilling your cylinder. Some of them just pump gas
in until it "feels" full. Tell them it is for a scientific application and
you need to have a precisely filled tank at full capacity.