08-10-2009, 09:14 PM
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Help finding a needle gauge, check valve, and tubing
Confused again as to what to buy and looking for some advice. I picked up a 10 # Co2 tank today with a dual gauge regulator. I believe I know how to set it up so far but am confused as to what needle valve to buy. I believe I have read that I want 2-3 bubbles per minute roughly, is this correct for a 55 gallon planted freshwater? I have a valve on the bottom of the regulator that I imagine adjusts the working co2 after the main tank is turned on. It is kind of a tapered nozzle at the bottom of the regulator, is this where the needle valve connects and is it likely that ordering a needle valve will have the right fit to the nozzle?
Also, I plan on making a bubble counter our of a bottle of some sort. Does this go right after the needle valve and can it be some distance from the needle valve so I can set it down on a shelf?
Where does the check valve go?
Anyone know what brand or model number I would want for the needle valve or check valve. I would like to go pick it up but online is fine too. I just want to get the right thing and avoid having any headache looking for fittings or connectors. There are some inexpensive ones on ebay but I have no idea what size I need or what type let alone which are quality and will work for the aquarium. Thanks.