Co2 working pressure not rock solid. Help please. - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 07-03-2015, 11:21 PM Thread Starter
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Co2 working pressure not rock solid. Help please.

Its a new co2 reg from co2art and my working pressure which I set to 20psi seems to drop a tiny bit over the course of 8-10hours while co2 is on. Any ideas why and is a small drop in working pressure normal?!

What would cause a small drop in working pressure?

Thanks.

75 Gallon Low Tech w/ Green Terror Pair
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post #2 of 5 (permalink) Old 07-04-2015, 01:19 AM
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This is normal. Typically your working pressure should remain constant while the solenoid valve is off. Once you open the valve (on) your working pressure will drop some depending on how much cO2 you are using. A small change in pressure (1-2#) will not make much difference on the end result of adding cO2 to your tank.


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post #3 of 5 (permalink) Old 07-04-2015, 01:33 AM Thread Starter
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Oh okay, thanks for clearing that up for me.

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post #4 of 5 (permalink) Old 07-04-2015, 01:33 AM
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Check for leaks with soapy water. The leak could be past the regulator somewhere. Also, when CO2 is off for the day. Shut the tank off, record the readings on both gauges. In morning before the CO2 comes on, recheck gauge readings. There should be no loss of pressure over night. If there is, there's a leak somewhere. Sometimes the leaks are hard to find., keep checking until you find it.

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post #5 of 5 (permalink) Old 07-04-2015, 01:35 AM Thread Starter
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I will try this tonight, thank you.

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