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Old 10-08-2010, 07:31 PM   #111 (permalink)
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Default Re: New to CO2

So I got some fittings from McMaster Carr, which now gives me 2 options for connecting up the whole thing. I think I will connect it with the braided tubing because if I connect the solenoid directly to the regulator with the male to male reducer there is no room to tighten it. I have to rotate the solenoid around and around to tighten it once the other end is tightened to the regulator, but the side of the solenoid will hit on the regulator dial when it goes around. The pic of Martin Schellinck's setup looks like it would have too, where the blue tubing is wrapped around. I don't get why it didn't - maybe he took the dial off to attach it and put it back on later.

Anyway, I think it will look more professional if I use the braided tube, then I can mount everything to one side on a sheet of plywood or sheet metal. The needle valve in particular I can mount bulkhead style.
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Old 10-08-2010, 07:42 PM   #112 (permalink)
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Default Re: New to CO2

So here's another question. I bought one of these reactors off Ebay:



It turns out they are meant to go into the tank and be hooked up to a powerhead, but my intention was to connect it to the outlet of the filter under the tank. I just filled it with water and it's not water tight but I can glue it together and I think it will still look better than the old home made pipe jobs. Has anyone tried this?

Also the inlet and outlet diameters are smaller than my half inch tube for my filter. Would that add too much pressure and slow the flow of water?
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Old 10-17-2010, 07:36 AM   #113 (permalink)
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Default Re: New to CO2

I haven't got an answer to the questions about the reactor in the previous post being external.... but what I have decided to do, at least as an experiment, is to run the CO2 line from my bubble counter to a wooden airstone placed under the intake of my canister filter. I know this is controversial, but some people have done it for years and have had no problems. My canister filter came with a skimmer which I used for while and that used to suck up air bubbles that I could hear going through the filter. The air bubbles never built up in the filter as far as I could tell. I would imagine the CO2 would be mostly dissolved by the time it got to the impeller anyway.
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Old 10-17-2010, 08:38 AM   #114 (permalink)
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Default Re: New to CO2

I have another question:

I screwed my regulator up hard against the tank, really cranked on it like they recommend. I have a nylon washer in there. Despite how hard I tightened it the regulator can still turn relative to the tank. I discovered this when I tightened up the connection to the solenoid at the other end. Is this normal?
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Old 10-18-2010, 10:01 AM   #115 (permalink)
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Default Re: New to CO2

Gramazing, did you manage to grind the top of that CGA350 off to fit it to your co2 tank?
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Old 10-18-2010, 10:41 AM   #116 (permalink)
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Default Re: New to CO2

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Gramazing, did you manage to grind the top of that CGA350 off to fit it to your co2 tank?
No, the guy who sold me the tank gave me a CGA320. He left it outside his office for me to get after hours and I left him the 350. I don't know whether he needed it or not but I certainly didn't.
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Old 10-18-2010, 11:02 AM   #117 (permalink)
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Default Re: New to CO2

Quote:
Originally Posted by Gramazing View Post
I have another question:

I screwed my regulator up hard against the tank, really cranked on it like they recommend. I have a nylon washer in there. Despite how hard I tightened it the regulator can still turn relative to the tank. I discovered this when I tightened up the connection to the solenoid at the other end. Is this normal?
No, it shouldn't move.

The regulator should be firmly attached so that you can't rotate it around. Use a large crescent wrench, 1 1/8" open end wrench or even a pipe wrench to put the "big arm" on it.
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Old 10-18-2010, 03:57 PM   #118 (permalink)
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Wow, I'm going to have to borrow the big wrench again from work. I thought I did it so tight before I was going to break something.
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Old 10-19-2010, 04:59 AM   #119 (permalink)
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Default Re: New to CO2

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No, it shouldn't move.

The regulator should be firmly attached so that you can't rotate it around. Use a large crescent wrench, 1 1/8" open end wrench or even a pipe wrench to put the "big arm" on it.
Here is a pic of a couple of the gaskets/washers the guy who sold me the CO2 tank gave me. Are they the right ones? Also, no teflon tape on the CGA320 thread, right?

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Old 10-19-2010, 07:38 AM   #120 (permalink)
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Default Re: New to CO2

Those are fine and no Teflon tape.
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