DIY Co2 reactor help for plumbing gimps
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Old 09-19-2005, 05:06 AM   #1
ringram
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DIY Co2 reactor help for plumbing gimps


Ok. I am not a plumbing/piping guru. In fact, I'll be honest, I don't even really know the difference between PVC and ABS piping(not even sure I need to). I have some bio-balls that are approx. 1.75" in diameter, so a 2" PVC will be needed for the middle section. I read and printed the PVC plans for a Co2 reactor at http://www.hoftiezer.net/personal/aq...co2reactor.htm

I realize, however, that this can be modified, but since I know basically nothing about the subject and have never so much as looked at pvc piping in my life, I like to stick to the list. Tom Barr showed me a great reactor that differs from this slightly, but the basic idea is there. I went to Home Depot and was unable to find most of the parts, at least in the same measurements, so all I ended up getting was the: 1"x1"x1/2" NPT reducer tee (what does NPT mean anyway?) for a dollar or less. Does anyone have a suggestion or maybe another helpful design I might check out? I am considering checking out some online sites like:
http://www.aquaticeco.com/index.cfm...d/7010/cid/1859
or
www.usplastics.com
since I figure I'd be able to more easily find what I need, but I would prefer to not pay for the shipping as the whole idea of DIY is keep the price down.
Another thing to note is, my Eheim filter tubing looks to be around 1/2" in diameter, although the actual tube says 12/16mm, so not sure what they mean by that. I also would need to find the nipple fitting for the inline Co2 tubing as well as all the appropriate pvc parts. If anyone can offer some help, I would greatly appreciate it!
-Ryan
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Old 09-19-2005, 12:20 PM   #2
Georgiadawgger
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Quote:
Originally Posted by ringram
Ok. I am not a plumbing/piping guru. In fact, I'll be honest, I don't even really know the difference between PVC and ABS piping(not even sure I need to). I have some bio-balls that are approx. 1.75" in diameter, so a 2" PVC will be needed for the middle section. I read and printed the PVC plans for a Co2 reactor at http://www.hoftiezer.net/personal/aq...co2reactor.htm

I realize, however, that this can be modified, but since I know basically nothing about the subject and have never so much as looked at pvc piping in my life, I like to stick to the list. Tom Barr showed me a great reactor that differs from this slightly, but the basic idea is there. I went to Home Depot and was unable to find most of the parts, at least in the same measurements, so all I ended up getting was the: 1"x1"x1/2" NPT reducer tee (what does NPT mean anyway?) for a dollar or less. Does anyone have a suggestion or maybe another helpful design I might check out? I am considering checking out some online sites like:
http://www.aquaticeco.com/index.cfm...d/7010/cid/1859
or
www.usplastics.com
since I figure I'd be able to more easily find what I need, but I would prefer to not pay for the shipping as the whole idea of DIY is keep the price down.
Another thing to note is, my Eheim filter tubing looks to be around 1/2" in diameter, although the actual tube says 12/16mm, so not sure what they mean by that. I also would need to find the nipple fitting for the inline Co2 tubing as well as all the appropriate pvc parts. If anyone can offer some help, I would greatly appreciate it!
-Ryan

I feel your pain. Most of the hardware stores in my area are terrible...one store has something I need...go across town to another and there are other parts I need...nothing all in one place. With gas prices so high it would probably cost me too much to chase a simple hose barb all over town!!

As far as the PVC dont get to worked up about the type (schedule 40 is another one ). Most of the PVC you see in the stores are suitable for drinking water...which means safe for fish.

As far as getting the reactor built, the parts will turn up, but it may also take some modification on your part. Check the reducers, couplings and threaded parts and try to fit them together at the stores (that's what I did the first time). Also you can use a sharpie or marker and label your own stuff you bring in (it will wipe off with rubbing alcohol).

Bring the diagram or printout and someone should be able to help you out.

Hose size...I believe your tubing will fit a standard 1/2 in barb. You'll still want to get some hose clamps for a tight fit...I use those plastic "zip" ties and pull them tight over the tubing and thread using some plyers.
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Old 09-22-2005, 02:59 AM   #3
yznj99
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NPT stands for national pipe threads
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