Paintball Co2 Injection DIY Setup with Tons of Photos - Page 139
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Old 01-26-2013, 05:01 AM   #2071
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Originally Posted by hbosman View Post
Not to mention that that "needle valve" is being used to try to get a working pressure of 800 PSI down 2 bubbles per second.

Thanks guys, so where do I find a proper valve? It appears the original poster was able to use this equipment and get 2bps?
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Old 01-26-2013, 02:19 PM   #2072
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Originally Posted by Hilde View Post
I wish I could figure out how Jaggedfury made 1 under $80. I was prepared to spend $50.
I spent probably half that making the same setup Jagged made.
20oz Paintball tank (ebay) 18.00
Co2 glass diffuser (ebay) 6.00
Tubing (lowes) 3.00
Needle Valve (lowes) 8.00

total cost so far= 35.00

***However- I have been unable to use the needle valve to control the output of co2 correctly. It appears as though I may need to get a different more accurate valve- or jump ship and get a dual gauge regulator.

I already have a full working co2 setup on my big tank. I was just trying to save some money on my newly setup nano. If only it ever worked that way!
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Old 01-27-2013, 04:07 AM   #2073
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Are your tanks close by each other? You could split off your other system after the regulator and just add on another needle valve for tge small tank if its close by.
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Old 01-27-2013, 09:44 PM   #2074
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Do these end up dumping CO2 into the tank when the cylinder gets close to empty?
I'm sure it's in the thread somewhere, but I got 5 pages in from both ends and didn't find anything. 139 pages is a bit daunting.
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Old 01-27-2013, 10:34 PM   #2075
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under $50?

can be done easily... $20 for the tank. $10 for the ADA Adapter.$10 for the "needle valve".$10 for a diffusor. odds/ends include check valve and tubing. and those prices are top-end with shipping, if purchased separately. I can supply all the above if needed/wanted for less as a package. HOWEVER...

as others have stated this works but is not recomended. i ALSO have a selection of "proper" regulators and accessories. look at the albums in my profile to see what I gave.
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Old 01-28-2013, 12:18 AM   #2076
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Do these end up dumping CO2 into the tank when the cylinder gets close to empty?
I'm sure it's in the thread somewhere, but I got 5 pages in from both ends and didn't find anything. 139 pages is a bit daunting.
Given that there is no "real" regulator nor needle valve, the chances of EOTD occurring are higher.
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Old 01-28-2013, 12:31 AM   #2077
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this kind of setup does work, there are 100's of ppl here that would attest to it. EOTD is also not really reported as a problem. the real issue is, having a "real" setup is not much more expensive than one of these. spend $50 on ones of these, spend $70 on a proper regulator with a solenoid.
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Old 01-29-2013, 08:35 PM   #2078
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Given that there is no "real" regulator nor needle valve, the chances of EOTD occurring are higher.
Could you go into a little more detail about why this would be? I thought the eotd was due to a failure of the single stage regulator as the tanks pressure drops. If there is no regulator to fail wouldn't the pressure against the needle valve just become less and less till the tank is empty?
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Old 01-30-2013, 10:15 PM   #2079
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Well I have managed to use the needle valve I have to get a nice bps on my tank. But I find that I have to make adjustments everyday.
My big tank that has a dual gauge regulator is just too far away.

I think in a couple weeks I'm just going to hop on eBay and get a real regulator so I don't have to worry about it.
Just wish this setup was slightly more reliable.
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Old 01-30-2013, 10:21 PM   #2080
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Also, I wouldnt worry too much about end of tank scenarios. I have only ever read about it on the net- never actually met or spoke with anyone who experienced this. Besides unless your injecting inline i would assume most of the co2 rises to the surface and dissipates.
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Old 01-31-2013, 01:24 AM   #2081
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Also, I wouldnt worry too much about end of tank scenarios. I have only ever read about it on the net- never actually met or spoke with anyone who experienced this. Besides unless your injecting inline i would assume most of the co2 rises to the surface and dissipates.
I have seen EOTD before...since I sell and test CO2 regulators more than most people

It is a real event, and can occur with single stage regulators.
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Old 01-31-2013, 01:30 AM   #2082
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I have seen EOTD before...since I sell and test CO2 regulators more than most people

It is a real event, and can occur with single stage regulators.
This contradicts what you said earlier about it happening when there is no regulator.
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Old 01-31-2013, 01:32 AM   #2083
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try chaining to needle valves together, you might be able to get better control that way. first valve slows it down a little, second valve gives more precise control. Not sure if it works that way, but for $8 for needle valve, it might be worth a shot to try it.
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Old 02-02-2013, 03:22 PM   #2084
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I am now using 2 needle valves. I have better control now, but find myself making adjustments daily. Really annoying. Definitely appreciating my main tank's 60 dollar dual gauge. Money well spent. I wish they would make a dual gauge that directly attached to paintball tanks - other than that 150 dollar red sea one- which looks cheap regardless of the price.

Searching the web for a high pressure fine adjustment needle valve seems hopeless.

PS- I am sure EOTD do happen, Co2 is deadly to fish/shrimp/snails and caution should be exercised when using any co2 setup!
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Old 02-02-2013, 10:29 PM   #2085
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This contradicts what you said earlier about it happening when there is no regulator.
Perhaps I should clarify.

My first comment regarding the "real" regulator was unclear. Also, I may have misused the term "EOTD," adding to the confusion.

Let me define EOTD as when there remains no more liquid CO2 in the cylinder, and the gaseous CO2 begins to rush into the regulator, and it not being able to regulate the gas, will release it in increasingly large amounts into the aquarium (EOTD does not usually catastrophically release all the CO2 in at once).

Now, with most single stage regulators, the above phenomenon will occur.

With cheaper (I refer to this as "non-real") regulators, i.e. this one:

http://www.plantedtank.net/forums/sh...0&postcount=11

EOTD can occur, but it is more likely that they will not be able to regulate the pressure from the start (i.e. when there is still liquid CO2 in the cylinder), and will result in a catastrophic failure (as it did for that user).

Actually, in that thread, the paintball cylinder released all the gas (while the cylinder was new), killing all the shrimp.

Then (later in the thread), a single stage regulator end of tank dumped into another aquarium, killing off all German Blue Rams and their fry

Quote:
Originally Posted by scags View Post
Searching the web for a high pressure fine adjustment needle valve seems hopeless.
If you were open to running inline needle valves (rather than mounting them), you could use any standard needle/metering valve.
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