Hose barb for CO2 reactor? - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 06-30-2005, 08:34 PM Thread Starter
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Hose barb for CO2 reactor?

I need to find a 1/2" Male NPT, 1/8" Hose barb for my PVC reactor. The smallest I can find locally is 1/2"NPT 1/4" Barb which is way too big. Can someone post a link to where I can find them online? I have looked on USplastics.com and couldn't find it. Where do you guys all find this part? Thanks.
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post #2 of 11 (permalink) Old 06-30-2005, 09:35 PM
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I also had hard time with findind all these parts. I told the guy in Home Depot what I wanted and it took him 30 min to find everything I needed. Try them.
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post #3 of 11 (permalink) Old 06-30-2005, 09:53 PM
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I found some at the home depot in the section where they have the copper tubing (potable water section). They did not have any in pvc.

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post #4 of 11 (permalink) Old 06-30-2005, 10:05 PM
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If AquaticEco don't sell them, you can pretty much assume they don't exist. 1/8" plastic barb adaptors I mean. Probably just break too easily so they don't even make them. But I'm just assuming!

You may need to look for them in metal instead as Jeff did. Brass or s/steel.
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post #5 of 11 (permalink) Old 06-30-2005, 10:11 PM
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http://www.aquaticeco.com/index.cfm/.../4207/cid/1221

These people have 1/2" npt x 3/16" barb. That's what i used. They also have clear PVC (not acrylic) by the foot.


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post #6 of 11 (permalink) Old 06-30-2005, 10:54 PM
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Or you can go up 1/16" in size. That too.
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post #7 of 11 (permalink) Old 07-01-2005, 12:00 AM
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If you are trying to run the CO2 line into the reactor you don't need/want a hose barb. What I did was place a T fitting close to the top and put a plug in the small part of the T. Then I drilled a small hole in the plug and forced my tubing through the hole.
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post #8 of 11 (permalink) Old 07-01-2005, 05:37 AM Thread Starter
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Reactor is already built using the hoftiezer reactor. Where the CO2 is input at the elbow. It has 1/2" female NPT. I already have a 1/2" x 1/4" barb with a very small segment of silicone tubing since it's the only thing I could get over the 1/4" barb. But I really need the 1/8" barb so I can use the CO2 tubing the whole way. I'll try that 3/16 one, I wasn't sure if that would be too big or not.
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post #9 of 11 (permalink) Old 07-01-2005, 07:07 AM
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If you are having a real hard time finding the correct fittings locally, try ordering them online. Here are some good sites:

http://www.fittingsandadapters.com
http://www.coleparmer.com/catalog/pr...445&par=&cat=1
http://www.buyfittingsonline.com
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post #10 of 11 (permalink) Old 07-01-2005, 10:25 AM
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So a brass 1/8 barb on a 1/4 thread from one of Hypancistrus' links here:



screwed into a 1/2M to 1/4F T.T. Bushing from AquaticEco here:



should do the trick!

That was fun. Like a puzzle.
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post #11 of 11 (permalink) Old 09-01-2015, 08:03 AM
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if you are looking for fittings online please check once Rajendra Industrial corporation for best price and material...
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