How to bend co2 tube?
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Old 07-05-2014, 02:52 AM   #1
BuddhaBoy
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How to bend co2 tube?


I searched but might not be using the right keywords.

How do you guys shape your co2 tubing so it looks nice and neat going over the rim into the tank?

I have co2 tubing from GLA and Im not sure what the best option is. Will hot water work or do i need heat, or do I need to buy a preshaped piece.

Cheers
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Old 07-05-2014, 03:49 AM   #2
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Search for 'glass j hook' on eBay. They are commonly sold as a set with in tank diffusers.

Or check eBay seller aquahk8.

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Old 07-05-2014, 04:13 AM   #3
BuddhaBoy
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Thanks homie! I ordered one. Wonder if I missed seeing them on GLA's site
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Old 07-05-2014, 04:20 AM   #4
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Co2 tubing?
Do you mean Acrylic ridged tubing?

You need 2 things really (besides the tubing).
1. A heat gun
2. A rubber o-ring type material used to place inside the tubing to maintain the inside diameter of the tubing.

Place o-ring material inside your tubing, then using a heat gun slowly move the tubing (where you want the bend) over it. You'll feel it get soft. Apply pressure slowly until you've achieved the curve your looking for.
Remove o-ring rubber.
Set aside to cool and harden.
If needed, you can re-insert o-ring rubber and re-heat tube to adjust.
Hope that helps!
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Old 07-06-2014, 12:15 AM   #5
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If you're dealing with acrylic tubing , go to an auto parts store and get some silicone vacuum tubing that's just a tiny bit less in diameter than the inside diameter of your tubing ( there's guys on eBay who also sell this stuff by the foot) put the vacuum tubing inside your acrylic pipe , heat with a heat gun and make your bend . once it cools down , slide out the tubing . You could also try filling the tube with sand after blocking one end . Heat tube and bend . The sand will prevent kinking , but bits might be hard to get out
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Old 07-06-2014, 02:33 AM   #6
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The tube is the thin co2 tube... 4.6mil I think .... I don't think making a makeshift mandrel bend in the tube will look as good as a glass one. It was only $5 shipped so I guess I'll just. Use that. Thanks though
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