DIY regulated CO2 for the nano & pico aquarium - Page 3 - Nano Aquariums - Aquatic Plant Central

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Old 04-19-2010, 12:02 PM   #21 (permalink)
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Default Re: DIY regulated CO2 for the nano & pico aquarium

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Originally Posted by mocha2184 View Post


I found this guy, originally intended to inflate bicycle tires. It's called the Red Zeppelin by Planet Bike. There's a valve of sorts on the top to control flow out of the CO2 cartridge, I wonder if the Schrader can be removed and replaced with a needle valve and a nipple?

This thing retails for about 20 bucks, it might be worth a shot to try to rig something up.
Any word on this? Did you try it? Does it work?
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Old 05-03-2010, 06:57 AM   #22 (permalink)
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Default Re: DIY regulated CO2 for the nano & pico aquarium

So generally speaking, how long does those CO2 cartridges last? I know walmart sells them.
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Old 07-24-2010, 10:13 PM   #23 (permalink)
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Default Re: DIY regulated CO2 for the nano & pico aquarium

i have checked on ebay and google and cant find these stupid "emergency co2" things. anyone have a link to one or somethin?
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Old 08-03-2010, 02:09 PM   #24 (permalink)
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Default Re: DIY regulated CO2 for the nano & pico aquarium

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Originally Posted by ryan10517 View Post
i have checked on ebay and google and cant find these stupid "emergency co2" things. anyone have a link to one or somethin?
Try "12g CO2"
Found one for $9+6 shipping.

Awesome Idea by the way.
Kudos to the OP
=D
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Old 08-17-2010, 08:24 PM   #25 (permalink)
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Default Re: DIY regulated CO2 for the nano & pico aquarium

Hey, great idea...

I took your idea and modified it. I'm an avid paintballer, so I had some stuff lying around, for all of you who are going to go get ripped off on 12gram co2 tanks you should probably just think about getting full size tanks with a paintball asa.

This is what I'm talking about:

http://cgi.ebay.com/ws/eBayISAPI.dll...%3DI%26otn%3D2
and
http://cgi.ebay.com/air-n2-co2-asa-a...efaultDomain_0

It doesn't have to be those exact ones, but as far as I know, all of the on/offs and just direct air have standard fittings that you can stick those brass fittings in with the needle valve. I would recommend grabbing a cheap On/off though because you'll be able to fine tune it better (unlike my set up which is just direct air) but either works well.

Here is an example of what I made - it ended up like 6 or 7 bucks total for me because I already have the Co2 tank and ASA. Make sure to get some teflon tape to ensure a tight seal.





Again, thanks for the idea! I just run this straight into my diy diffuser now for my 10 gallon tank.

Edit: Also, every co2 tank has the potential of liquid co2 in it. Depends on altitude, temperature, and pressure. But, all Co2 tanks should output 850-1000+ PSI whether it's a 12gram or a 20oz. Output pressure will vary based on altitude, temperature, etc too though.

Last edited by Bobbitay; 08-17-2010 at 08:29 PM..
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Old 11-29-2010, 06:54 PM   #26 (permalink)
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Default Re: DIY regulated CO2 for the nano & pico aquarium

Hate to revive this thread, but for those that are using this, does it work ok? Thinking this route for a 5 gallon. I like bobbitay idea of using the paintball tank though for longer life.
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Old 06-22-2014, 02:56 AM   #27 (permalink)
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Default Re: DIY regulated CO2 for the nano & pico aquarium

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Originally Posted by ramskip View Post
Great ideas, thanks for the advice! Been looking for a cheaper alternative to using CO2.
I'm happy with using flourish excel for now, but this DIY rig seems rather nifty.

could you clarify what you meant by the following:
CO2 device -> 1/2" female to 1/4" male -> 1/4" female to 1/8" female -> 1/8" needle valve

What are these parts? What are they called, not sure what you mean by "1/2" female to 1/4" male"....
Also, how do you diffuse the CO2 in the tank, what is the tubing connected to at the other end?

much thanks,
d.
He left out that the standard size for paintball is 5/8" which is a unique size - I think 1/2" still fits for the 1st thread or so but I will have to try this soon... I have had the parts for years but home depot didn't sell the parts I needed so I never tried it...

Also it's not "emergency" it's "back-up" - it's a "back-up CO2 adapter"
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