Re: [GSAS-Member] CO2 Systems

["SUSAN WELENOFSKY" <welenofsky@comcast.net>]

Okay:

I'm reducing the valve pressure to 10 psi and shutting off the flow at the
main needle valve tonight.

Susan

-----Original Message-----
From: gsas-member-bounces@thekrib.com
[mailto:gsas-member-bounces@thekrib.com] On Behalf Of Erik Olson
Sent: Monday, February 19, 2007 8:49 PM
To: Greater Seattle Aquarium Society member chat
Subject: Re: [GSAS-Member] CO2 Systems

Actually, there's absolutely nothing wrong with turning the needle valves 
off, or adding a cut-off valve downstream of them (Paul's strategy). 
Pressure does NOT build up, because the regulator regulates(!) everything 
downstream of it at a constant pressure, whether it be 1 bubble per second 
or one gallon per minute.

   - Erik

On Mon, 19 Feb 2007, Tom Watson wrote:

> I think Rick hit it on the head...
>
> Tom
> West Hyblos Creek Drainage
> Washington State
> ----- Original Message -----
> From: "Rick Rose" <rick-rose@comcast.net>
> To: "'Greater Seattle Aquarium Society member chat'"
> <gsas-member@thekrib.com>
> Sent: Monday, February 19, 2007 10:12 AM
> Subject: Re: [GSAS-Member] CO2 Systems
>
>
> If I understood Susan's post correctly, it sounds like she is turning off
> the needle valves at night (and leaving the regulator on?)  If that is the
> case, then I imagine that the pressure continues to build up over night so
> that there is a lot of pressure behind the needle valves when they are
again
> turned on the next morning.  Again, I'm not sure if I interpreted the
> problem correctly, but if I did, then the answer is probably just to turn
> the CO2 off at the regulator instead of the needle valves.
>
> Rick
>
> -----Original Message-----
> From: gsas-member-bounces@thekrib.com
> [mailto:gsas-member-bounces@thekrib.com] On Behalf Of Erik Olson
> Sent: Monday, February 19, 2007 7:54 AM
> To: Greater Seattle Aquarium Society member chat
> Subject: Re: [GSAS-Member] CO2 Systems
>
> Are you also using June's needle valves?  The downside of those is that
> they use hose barb instead of a screw fitting, and cannot easily be built
> into a manifold.  On the other hand, I have had no problem with them
> popping off.  You should be able to drive multiple tanks with the
> regulator set at 10-15 PSI and the needle valves regulating flow.
>
> Maybe consider using vinyl airline tubing instead of silicone?  You can
> also get little plastic clamp thingies for that size tubing, maybe at
> Lowem-Depot.
>
> You should also be able to add a solenoid downstream to any regulator
> without problem.   I still never see the point of it though...never used
> one in 15 years now.
>
>   - Erik
>
> On Mon, 19 Feb 2007, John wrote:
>
>> Fittings, Inc will take the time to help you design exactly what you
>> need.
>> Graingers may have something on the shelf that would work.
>> They are both just south of downtown. Probably closed today.
>>
>>
>>
>> On Feb 18, 2007, at 10:01 PM, Susan Welenofsky wrote:
>>
>> I have June O's CO2 regulator, and I think the brass things are needle
>> valves. The trouble is when I have more that one connection, it's all
>> screwy. I shut the valve off at night. When I turn it on, it is high
>> pressure, sometimes blows the silicone hoses. Then I have to adjust the
>> pressure valve. Then the pressure goes way down after awhile, and I
>> have to
>> readjust. Then adjust all the needle valves. Then move the hoses. Then
>> the
>> CO2 pours out or doesn't come out all. Then fiddle with the needle
>> valves
>> again. Then there was the time all the gas escaped into the apartment.
>>
>>
>>
>> This thing is driving me crazy. It seems like I can only run one tank
>> successfully, when I'd like to do two or three, like June. However, I
>> would
>> like to turn it off at night, right? Does anyone here know of a good
>> system
>> or can direct me to someone or someplace that does? I see that it may
>> cost
>> $322 at Drs. Foster and Smith for a complete package that has an Azoo
>> regulator. I've heard the JBL regulators on Ebay are no good and
>> Milwaukee
>> is, and of course ADA is the most expensive money can buy.
>>
>>
>>
>> Susan
>>
>> _______________________________________________
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>> GSAS-Member@thekrib.com
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>>
>>
>>
>>
>>
>> Dr. John F. Ruhland
>> The Natural Health Medical Clinic
>> 4002 - 25th Avenue S, Seattle, WA 98108
>> 206-723-4891
>> www.drruhland.com
>>
>>
>> _______________________________________________
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>
>

-- 
Erik Olson
erik at thekrib dot com
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