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Old 03-22-2008, 06:48 PM   #1 (permalink)
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Default Pressurized CO2 using paintball tank

Hi everyone,

I have gained a lot of help and information from this site, and I want to help others. This thread describes how I am creating a pressurized paintball setup and I hope this helps others who want to do the same. I got help from oregon aqua on how to make this all work. The picture below is what I have done so far.

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The Smart Parts adapter allows for the tank to be attached to any standard CGA-320 type regulator. The adapter solves the problem by making the tank into basically a standard co2 tank(it pushes down on the pin). It has a knob to open and close the tank. This part is really the only thing needed to make this whole setup work. I got the adapter from gppaintball.com. Here is the link:

http://www.3gponline.com/paintball/p...a51c11cea37833

Most places charge $20 for this adapter. The regulator attached is from beveragefactory.com and is a standard economy regulator. It fits onto the adapter perfectly with no need for any nylon washers, since the adapter and the regulator have rubber washers already.
I will be using a needle valve from discovervalve.com. I recommend this site if you need to get a needle valve, but don't have the money to purchase those nice tiny ones. These needle valves are fairly heavy, but they arn't very large. They work pretty good as I already use one for my 20gal setup. I am going to try and make my own bubble counter, and I will use a glass diffuser, probably from aquaticmagic ebay store.

I hope this helps others who are trying to create a paintball Co2 setup. Thanks again oregon aqua for your help.
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Old 03-23-2008, 09:15 AM   #2 (permalink)
 
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Default Re: Pressurized CO2 using paintball tank

Thanks you for the writeup! It was very informative. But I was wondering how long this 20oz bottle would last...let say in a 4 gallon nano or a 29gallon? Could I just order this needle valve http://www.marinedepot.com/ps_ViewIt...product=CO3151http://www.beveragefactory.com/342.shtml. and plug into the regulator or would I need some other adapter?

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Old 03-23-2008, 04:42 PM   #3 (permalink)
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Default Re: Pressurized CO2 using paintball tank

That needle valve would not fit the beverage factory regulator. The regulator is 1/4" NPT, which means it is 1/2" OD. You could probably find an adapter to go from 1/4 NPT to 1/8 NPT. NPT threading is really common and can be found at all hardware stores. I just don't know how easy it would be to find an adapter for this particular conversion. As for the tank, I am going to try a 9 oz tank and see how long that lasts at about 1 bps. I will probably upgrade to 20 oz when it runs out. IMO I wouldn't use this setup for anything bigger than a nano.
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Old 03-23-2008, 04:57 PM   #4 (permalink)
 
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Default Re: Pressurized CO2 using paintball tank

Ic. Well which needle valve from discovervalve.com would you recommend? Would this one work http://www.discovervalve.com/Merchan...de=mini_valves . Then I would have to purchase a 1/4 male npt hose barb in order to run the tubing?

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Old 03-23-2008, 05:53 PM   #5 (permalink)
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Default Re: Pressurized CO2 using paintball tank

I found the easiest way to get the fittings needed to hook up something like this is to take the parts to a good hardware store and either search their supply of hose barb fittings, pipe threaded fittings, etc. or ask the clerk to find the ones you need. Before I started doing this I would buy 3 parts for every one I ended up actually using. I would be embarassed to say how much I spent trying to adapt a surplus regulator and an ebay needle valve to a CO2 system, before I finally practically gave the whole mess away and bought a Milwaukee regulator. That was a DIY project that didn't pay off, to say the least.
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Old 03-23-2008, 06:43 PM   #6 (permalink)
 
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Default Re: Pressurized CO2 using paintball tank

Haha Hoppy, I have to agree with you. My head is hurting like heck currently just some researching online from previous thread on what size adapter and etc...My best bet is just to wait until the regulator /check valve arrive, then take it to a local hardware store to get all the necessary fitting.
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Old 03-23-2008, 09:51 PM   #7 (permalink)
 
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Default Re: Pressurized CO2 using paintball tank

when i had the 20oz on my 55gal it would last me about 3 weeks. my 9oz as a backup would last me between 4 to 6 days. thats when i figured out i needed a bigger tank. im happy to see others try this

im also interested to see how long a 20oz or 9oz last on a more suitable aquarium (not a 55gal).

this is also an awesome backup for when your getting the bigger tanks filled.
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Old 03-23-2008, 10:50 PM   #8 (permalink)
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Default Re: Pressurized CO2 using paintball tank

Using the Red Sea paintball regulator, I get 5-6 weeks out of a 20 oz paintball tank. I have this set up on a 12 gal. Nano Cube. I run approx 1-1.5 bubbles per second.
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Old 03-24-2008, 06:46 AM   #9 (permalink)
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Default Re: Pressurized CO2 using paintball tank

natdc2, I use the needle valve you linked to and it is a nice one, needs a good bit of adjusting to get the right bubble count though. Hoppy is right about going to the hardware store and get the fittings then. I go to home depot with the needle valve, and get the fittings then, because the needle valve and the regulator have the same threading this time. The last regulator I got had a hose barb in place of the output unlike this regulator.
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Old 03-24-2008, 09:39 AM   #10 (permalink)
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Default Re: Pressurized CO2 using paintball tank

Afyounie, the cheap regulator you used, will it work on a standard tank and what is the difference between say a JBJ or Milwaukee?
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