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Re: co2 diffusion

>Date: Sun, 31 Jan 1999 13:45:58 -0500
>From: "Guang Yan Wang" <lesenw-2 at idt_net>
>Subject: co2 diffusion
>Hi, could I use a high pressure system without a needle valve or a 
>control the co2. Rather, I will connect the airline from the regulator
>directly to my power head to diffuse the co2 in my aquarium. Will this 

Simple answer : Yes  It is possible to adjust CO2 output by by adjusting 
the output pressure on a regulator.  Though it will be difficult (or 
impossible) to make fine adjustments.  You would be better off getting a 
needle valve.  Check at a welding supply company you should be able to 
get one cheap @ $20.  As far as using a powerhead to diffuse the CO2, 
that is what I used, it works fine.


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