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CO2 gas cylinder help

simsony

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7 Mar 2021
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Bristol
Hi everyone,

I got a CO2 cylinder from Adam's gas Refill 1.5KG CO2 Gas for Hydroponics & Aquatic Growth from Adams Gas
I tried to use it with a CO2 art regulator, that's has been working fine with a Sodastream cylinder and adapter.

However when I connect the regulator to this cylinder nothing comes out. The high pressure guage reads zero, but certainly comes up with the sodastream. So it has to be the new cylinder. I don't think it's empty.

I've attached photos of the cylinder and the outlet. I've slowly opened it without anything attached, but can't hear anything. I'm not too confident to turn it further without the regulator.

Am I supposed to remove something to release the gas (apart from just turning the knob)? I was thinking it has some other protection for storage and transport.

Thanks.
 

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Last edited:

GHNelson

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That be about correct for a full cylinder of Co2!
Have you tried opening the valve a little.....without the regulator on?
Best doing it outside as it is a loud wooosh when opened!
 

nigel bentley

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Joined
20 Oct 2019
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131
Location
Wallington
Hi everyone,

I got a CO2 cylinder from Adam's gas Refill 1.5KG CO2 Gas for Hydroponics & Aquatic Growth from Adams Gas
I tried to use it with a CO2 art regulator, that's has been working fine with a Sodastream cylinder and adapter.

However when I connect the regulator to this cylinder nothing comes out. The high pressure guage reads zero, but certainly comes up with the sodastream. So it has to be the new cylinder. I don't think it's empty.

I've attached photos of the cylinder and the outlet. I've slowly opened it without anything attached, but can't hear anything. I'm not too confident to turn it further without the regulator.

Am I supposed to remove something to release the gas (apart from just turning the knob)? I was thinking it has some other protection for storage and transport.

Thanks.
Normally when you buy a full cylinder it will have a plastic cap over the thread. This is not only to protect the thread but distinguish full from empty. You may have been given an empty one y mistake, it does happen.
 

simsony

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Joined
7 Mar 2021
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7
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Bristol
Normally when you buy a full cylinder it will have a plastic cap over the thread. This is not only to protect the thread but distinguish full from empty. You may have been given an empty one y mistake, it does happen.
Yeah mine did have a yellow one. Just unlucky I guess.

I think I'll ask for it to be weighed next time.
 

simsony

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Thread starter
Joined
7 Mar 2021
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7
Location
Bristol
If you shake the bottle does it sound like there is liquid in it?
Not really. I read online that the cylinder's "tare" weight is printed on the cylinder.
This one says 2.93 KG, so it does imply it is nearly empty, if I've read the right thing. But ~0.7 kg is what a fresh sodastream cylinder is, so there supposedly is something in it still.
I went back to the sodastream for now.
 

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