regulator not holding pressure - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 10-07-2013, 03:38 AM Thread Starter
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regulator not holding pressure

Hey, I have an Aquatek Premium CO2 regulator with a solenoid. I just connected it to my tank and I noticed that if the solenoid and the fine adjust needle valves are closed and I turn on the tank valve then close it, my tank pressure gauge gradually drops to zero over a minute. Is this normal? This is a brand new regulator, is it possible that it's broken already?


Last edited by Jalopy; 10-07-2013 at 05:19 AM. Reason: I wrote working pressure, I meant tank pressure.
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post #2 of 5 (permalink) Old 10-07-2013, 06:03 AM Thread Starter
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Uh, never mind. For some reason I had to turn the regulator body 1/4 turn to completely seal the connection to the tank. This is kinda troubling since it wasn't in the manual or Aquatek's video online. Is this normal or some crappy parts? Anyway, thanks for wasting a full tank!!!!!! That's $20 and 4 hours of my life I'll never get back.

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post #3 of 5 (permalink) Old 10-07-2013, 03:08 PM
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Sorry! That sounds like a life lesson learned for the price of CO2. ALWAYS do a leak check when you move/change any of the parts. Sounds like something was not screwed together well. A leak check with bubbles would have likely found the leak to fix it before all the gas was lost.
I use a tiny amount of water, several squirts of liquid soap and a small brush. Get the soap thick enough to cling to everything , not drip off immediately. Whip it good with the brush. Try to get it like whipped cream? Use the brush to "paint" every part and watch for bubbles which get larger. Be aware that larger leaks can blow it off immediately so that bubbles don't show. Those leaks, you might be able to hear or feel.
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post #4 of 5 (permalink) Old 10-07-2013, 04:04 PM Thread Starter
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Quote:
Originally Posted by PlantedRich View Post
Sorry! That sounds like a life lesson learned for the price of CO2. ALWAYS do a leak check when you move/change any of the parts. Sounds like something was not screwed together well. A leak check with bubbles would have likely found the leak to fix it before all the gas was lost.
I use a tiny amount of water, several squirts of liquid soap and a small brush. Get the soap thick enough to cling to everything , not drip off immediately. Whip it good with the brush. Try to get it like whipped cream? Use the brush to "paint" every part and watch for bubbles which get larger. Be aware that larger leaks can blow it off immediately so that bubbles don't show. Those leaks, you might be able to hear or feel.
Yeah that's exactly what happened. I could could hear it but no bubbles. I've never had to turn the regulator body itself though. Makes me think the regulator is crappy.
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post #5 of 5 (permalink) Old 10-08-2013, 03:26 AM
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One can never say about quality. Even the best of things can get knocked around in shipping so that you never know what it may do.
A leak check just as a routine can cover a guy for all kinds of potential problems. Something you bumped and didn't mean to can get turned just enough to leak or in my case, you can even forget to put the little plastic gasket in and it can be whistling Dixie!
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