The Planted Tank Forum - View Single Post - Help finishing Co2 reactor build
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post #3 of (permalink) Old 01-29-2013, 11:08 PM
Plant Clown
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Join Date: Sep 2010
Location: Greensboro, NC
Posts: 4,729
If you can, get a 1/8" NPT to 1/8" barb adapter. Then drill a 3/8" hole, wrap some teflon tape around the adapter threads, and screw it in. The 1/8" NPT threads are just a bit larger than the 3/8" (actual size) hole, so it fits nice and snug.

I originally found the adapters at Ace, as neither Lowes or HD had 1/8" NPT, only 1/4" NPT. And, if you can wait a few days, they're also readily available via Evilbay.
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