Milwaukee MA 957 CO2 Regulator Instuctions - Page 2 - The Planted Tank Forum
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post #16 of 17 (permalink) Old 09-01-2015, 09:18 PM
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Location: Queens, NY
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Originally Posted by FatherLandDescendant View Post
Some diffusers need a minimum pressure to operate, so yes working pressure (right hand gauge) can matter in certain applications. If you close the needle valve just until it stops (DO NOT tighten it after it stops), turn on the tank, then turn the center knob until the right hand gauge gets to the operating pressure you want, then open the needle valve to the bubble count you want, you'll be set.

If you follow their directions you'll be forever trying to get the regulator set to a stable pressure and bubble count. Following their directions, when the solenoid closes the pressure in the regulator will go up, when it opens it'll dump a CO2 charge then taper off. This can be a problem for those who run controllers, we (I do at lest) who run controllers often run them right on the verge of gassing our fish, that sudden dump can succeed in doing just that.
Oh, so having the needle valve closed first instead will help prevent that sudden dump when the tank nears the end? I hate when the tank does that.
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post #17 of 17 (permalink) Old 09-01-2015, 10:07 PM
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Join Date: Jul 2014
Location: In the hills of Eastern Kentucky, USA
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Originally Posted by bereninga View Post
Oh, so having the needle valve closed first instead will help prevent that sudden dump when the tank nears the end? I hate when the tank does that.
Don't know about that, it SHOULD slow the release down though. A controller should,in theory, eliminate ETD. I've not had a catastrophic dump yet.

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co2 equipment, co2 help

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