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Old 09-29-2011, 05:53 PM   #11
cruckin78
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My co2 tank is too big to fit in the fridge....I use a 50lb tank....I've been using it now for ummm hrmmmmm almost a year....and my gauge has barely moved from 900psi where it was when I put the regulator on it the day I had it filled.

I have a 5lb backup too JIC!
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Old 09-29-2011, 06:53 PM   #12
JRems
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If you want to know how much co2 is left, weigh the bottle and subtract the tare weight(tw) it should be stamped on the bottle. I do this everytime I get a tank filled just to make sure I'm getting a full 20# fill

 
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Old 09-29-2011, 06:56 PM   #13
the_bird
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Yeah, as long as there is any liquid CO2 left in the tank, the only thing that will cause changes in the high-pressure gauge is changes in temperature. Once the liquid CO2 is gone, the pressure reading will start dropping pretty quickly - you need a refill/swap before very long.
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Old 09-29-2011, 07:38 PM   #14
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Quote:
Originally Posted by JRems View Post
If you want to know how much co2 is left, weigh the bottle and subtract the tare weight(tw) it should be stamped on the bottle. I do this everytime I get a tank filled just to make sure I'm getting a full 20# fill
How much weight does one factor in for the regulator when doing this? Does that add anything to that base sort of weight?

 
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Old 09-29-2011, 07:41 PM   #15
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Well, simple enough to take off the regulator and weight it separately. A regulator's probably a couple of pounds, which might be a rounding error with a 50# tank but is pretty relevant with a 5#- or 10#-er.
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Old 09-29-2011, 08:36 PM   #16
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Yeah I suppose, been nervous to remove the regulator from my 5lb tank, worried I won't be able to get it on without a leak or something

 
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Old 09-29-2011, 08:52 PM   #17
Somebirs
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Aug 2011
Los Angeles, CA
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This was also a shock to me recently. I just kegged my first beer, purged it, did everything right, and the next morning, checked and I am almost to the red line. My first few thoughts were I have a leak somewhere, so I checked and checked, nothing. I ended up reading on here that this happens, and I realized that overnight, the tank cooled down a lot and that's the reason. Thanks to all of you seasoned vets out there teaching us newbies the basics.

 
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Old 09-30-2011, 04:15 AM   #18
dooman333
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I found that if I freeze my empty tank before filling it drops less.
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Old 09-30-2011, 12:25 PM   #19
ElevenBrewCo
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well i have been checking it and checked again this morning and the needle is sitting at the red line and hasnt moved so i think im ok. This should be a "Kegging 101"

thanks fellas

 
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