If you cannot find the leak, I would suggest changing your gas post o-ring to see if that’s the culprit. The problem is, you can’t easily see that spot when a QD on. The benefit of this method is that you’re testing everything – line, manifold, QD, o-ring and keg. Home Bar Dispensing - Kegerator & Party Events (Residential), http://www.micromatic.com/forum/us-e...light=co2+leak, If this is your first visit, be sure to Enter what I call the “pressure gauge method”. There is one place on the CO2 side that the soak-everything-with-Star-San method doesn’t really work…. Is there six inches of beer in your kegerator? Wonder if there is thread tape over the gas out port on your regulator, only letting a very small amount through??? Post was not sent - check your email addresses! All times are GMT-8. I just had a problem where my high side leaked where the pipe that screws into the regulator body was leaking. This was EXACTLY my symptom - high guage 0, low guage 12 with CO2 tank turned off. Unless your poppet is messed up, leaks will only surface here when a gas QD is actually engaged. First, turn the shut off at the regulator to off position and then turn the cylinder wheel off. Homebrew Finds makes no representations as to accuracy, completeness, currentness, suitability, or validity of any information on this site and will not be liable for any errors, or omissions in this information or any losses, injuries, or damages arising from its display or use. This is one of the many uses of a Spunding Valve – See: Build a Spunding Valve. I wonder if parts in the regulator are missing??? Blocked or kinked line? I also hooked up a refilled sixth-barrel of beer, full of delicious brew. For the most part, checking for keg liquid and CO2 leaks is pretty straightforward. This technique also has the advantage of saving Star San and saving some clean up that’s required when you soak gear in Star San. Costs about $10 I think. The new bottle pressure was 850 psi. Wonder if there is thread tape over the gas out port on your regulator, only letting a very small amount through??? Another option if you don’t have a spunding valve or other gauge (but do have a two gauge regulator) is to attach only one keg to your regulator and turn off the the CO2 tank. check out the. All times are GMT-8. I recently hooked up a 'new' CO2 tank, that way I have 2, 1 filled, one in-use. It wouldn't hurt to have spare anyway. I know it's a stupid question, but your shutoff valve is open all the way, isn't it? This article has several incorrect statements. Over-pressurizing can mask leaks that may otherwise show themselves. Something that shows up within a couple hours. So I bought a new reg from MM and all is well. If beer is shooting out like a geyser, you’ve got a… fast leak. For kegerator CO2 leaks, it’s a generally a little more work, but still pretty easy… spray everything with Star San [via Amazon] solution (diluted of course) and look for bubbles. Other posts say when this decreases when shut off there is a leak. The pressure gauge method can check the entire keg including gas QD connection and any connected tubing without soaking everything and the resulting clean up. All data and information provided on this site is for informational purposes only. I’m quick to replace o-rings, especially on the gas side. If it drops quickly, there is a leak someplace in the system. I mark the current pressure with a wax pencil, or you can just remember what it reads. Testing at this point using the spray bottle method is impossible (or at the very least difficult and messy). After you change the gas o-ring, re-check using the pressure gauge method. The gauge that says the pressure of the CO2 tank decreases (high pressure guage) when I shut off the main valve. When I turn off the valve on the CO2 tank and leave the rest of the valves on overnight the high pressure decreases. The keg is filled with beer? I have a stainless steel haier kegerator with a 5 pound CO2 tank, and 1 or 2 sixth-barrel kegs. Isn't the barbed piece that goes into the tap screwed onto the top of the tap? This page was generated at 01:53 AM. At a given temp, it will be the same exact reading whether it is completely full or ptactically empty as long as liquid is preaent. I wonder if parts in the regulator are missing??? Copyright © 2006-2018 Micro Matic , Inc. All Rights Reserved. I have lost a couple full tanks of CO2 to a bad gas post o-ring. Disconnect the gas line from the keg and see if it flows readily out of that, then you will know if it is your tap or your line/regulator, then if it the line/regulator, remove the regulator and crack the valve open to see if you get a burst of CO2 out of the tank, then you know if it is an empty bottle or a faulty regulator. Try to isolate where it may reside. Install a high pressure gauge so that you can determine how much gas you have in the cylinder. The high and low pressure is now staying constant since decoupling the keg with the main valve in the off position. I use the spray method when I keg a beer and use the pressure gauge method periodically or if I otherwise suspect a problem. Depending on what the pressure is set to and what temp the beer is, it could absorb some of the CO2. You can also buy a simple gauge [See: Ball Lock QD Adjustable Pressure Valve W/Gauge via MoreBeer] or make a gauge assembly for this purpose. 1) Disconnect the gas line from the keg and see if it flows readily out of that, then you will know if it is your tap or your line/regulator, 2) then if it the line/regulator, remove the regulator and crack the valve open to see if you get a burst of CO2 out of the tank, then you know if it is an empty bottle or a faulty regulator. But I'm going to fix that leak on the other one yet. Can you get a crescent wrench on that and take it off, turning your gas off first, then when it is off, turn your gas back on to see if it flows well? This page was generated at 01:53 AM. For one the high pressure guage does not measure the CO2 in the tank at all. Home Bar Dispensing - Kegerator & Party Events (Residential), http://www.micromatic.com/draft-keg-...-cid-2297.html, http://www.micromatic.com/draft-keg-...pid-842-2.html, If this is your first visit, be sure to Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Tumblr (Opens in new window), Click to email this to a friend (Opens in new window), Bulk Keg Orings and Keg Repair Part Numbers, Ball Lock QD Adjustable Pressure Valve W/Gauge. That one’s really easy to spot. Originally, I went thru 1 5# CO2 tank in 1.5 half barrels so I ordered a new double gauge regulator thinking that was the source. Was there a little plug in the gas in port on your tap that you didn't remove? However, when I pour about a 1/2 pint of foamy beer, the PSI of the system drops … Stated more simply, you need a QD on to see if it’s leaking, but you can’t see it if a QD is on. the keg’s gas post. The keg should keep its pressure. If it drops quickly, there is a leak someplace in the system. If the CO2 gauge method indicates a leak, you can start spraying with Star San to hunt it down. Links to other websites may also be affiliated including links that are submitted via comments or tips. This allows you to use the low pressure gauge to monitor the keg. Check out the complete list – Homebrewing Tips, Tricks & Shortcuts! All information is provided on an as-is basis. If the pointer drops, your leak is right at the regulator. Hmm, no hose clamps on any of the valves, just oetikers? I would much rather be safe that sorry when it comes to the time, cost and inconvenience of replacing an empty CO2 tank. . To use Homebrew Finds you must be 21 years or older. Practically speaking, I use it as a complement to that to test an otherwise difficult to check spot. As soon as the liquid CO2 is gone, it drops into the red. if you're near me and need a loaner, I have a few extras. You could just buy a high pressure gauge and install it on your existing regulator. Wait for a couple hours to overnight to see if the gauge drops. As an Amazon Associate I earn from qualifying purchases. I'm in south jersey. The downside is you’re taking other kegs offline and it somewhat complicates things as you’re testing more than just the keg in question. It measures pressure, that is all. Then you’ve got a liquid leak. Borrow one or buy one and see if it fixes it. I’m not suggesting this as a replacement for the Star San spray method. I have never tried this test before. Remove the CO2 line and replace with a pressure gauge or, After the pressure has stabilized. check out the. Note: If your keg has beer in it that is uncarbonated the pressure will drop some overnight (it is equalizing and carbonating the beer).