Adjusting working pressure on Azoo Reg. - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 09-20-2010, 12:52 AM Thread Starter
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Adjusting working pressure on Azoo Reg.

Title is pretty self explanatory. I am in the process of setting up my CO2 system, and for the life of me, I cannot figure out how to adjust the output pressure on my working (low) pressure gauge.

Currently, it is running at about psi. I have heard that the ideal rate is much more like 10-psi.

Is there a simple way to adjust this pressure? I know it is likely obvious, but I just can't figure out how to do it. Any help is greatly appreciated.
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post #2 of 7 (permalink) Old 09-20-2010, 12:56 AM
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I had an Azoo regulator a while back and I do not think the working pressure is adjustable.

edit: It seems like it may be adjustable: http://www.aquaticplantcentral.com/f...86&postcount=6
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post #3 of 7 (permalink) Old 09-20-2010, 01:24 AM Thread Starter
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Just confirming, what is the acceptable range for working pressure? Mine is actually currently at 60, so that is probably too high I am thinking.
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post #4 of 7 (permalink) Old 09-20-2010, 04:05 AM Thread Starter
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I don't have a problem with the working pressure being that high if it is operable at that level, but if a lower level is preferable, I would rather do that I suppose.
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post #5 of 7 (permalink) Old 09-20-2010, 04:13 AM
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60 psi is definitely on the high side. if you have a diffuser or reactor you only need about 25psi. Lower is better incase of leaks etc.

The azoo regulator IS adjustable. You will need an allen key. Theres a little cap that you need to unscrew (mine came off with just hands) but a pair of pliers might help.

to adjust just use the allen key to turn the screw and you should be able to see the pressure change on the output gauge. Note that if you're turning the pressure down you will have to release some of the gas as you turn the pressure down to see the change on the gauge.
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post #6 of 7 (permalink) Old 09-20-2010, 04:42 AM Thread Starter
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Very cool, thanks for the explanation victork.

Here is what I did to adjust the working pressure on my regulator.

First, I used a 7/16" wrench to remove the domed nut in the center of the regulator. If you look beneath this you will notice a little recess where an allen key can be placed.

Then, making sure the needle valve was slightly open, I opened the main tank, and using a 4 mm allen key, loosened that portion until my working pressure was down to 20 psi

After you have the working pressure to where you want it to be. simply place and tighten the domed nut that was originally removed.

Now that I know how to change the working pressure, I am wondering what I should have it set at? My tank is a 10gal running a nano ceramic diffuser. I was leaning towards using something like 10 psi, is that a reasonable amount, or should it be different?
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post #7 of 7 (permalink) Old 09-20-2010, 09:45 PM
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10-15 PSI is fine for delivery pressure.

Anthony


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