CO2 Nipples

Behold

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Where can i get brass ones that i can mount in to my gravel vac reactor????
 

Ed Seeley

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I've used the 4mm metal airline taps (half way down on this page) that can screw into a tight fitting plastic hole. Add plenty of araldite or sealant and job done.
 

Behold

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Is the araldite glue going to be safe?????
 

Ed Seeley

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Safe in what way? If you mean chemically in the water then yes, it's fine. I've used it in my tanks for years on fittings. Just let it cure for a day or so first.

If you mean leak-wise then it's only as good as the way you apply it! If you're worried then you can use a sealant such as Gold Label pond sealant which is completely safe and will even cure under water. It won't set solid like araldite though.
 

Behold

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Cool I always stock araldite so that would help... next issues is a 17mm gravel vac!!
 

Behold

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zed

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Behold

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No probs.

So what /where are you getting your other bits from???
 

zed

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A couple of pics (apologies for the low light):

Picture001.jpg


Picture002.jpg


I'm using 40mm solvent-weld fittings that I bought from Screwfix. Instead of introducing the CO2 from the top, I think I'll introduce it from the side with another T-peice in the middle, and will have a bleed valve in the top instead of the CO2 inlet, like this:

IMAG0214.jpg


The reactor will also act as an in-line heater too.

I'm waiting for delivery of some 40mm clear acrylic pipe.

I just hope it works effectively!

Hope that helps.
 
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