From the HBD Archive
From: (Patrick J. Volkerding)
Subject: Sealing mash-tuns
Date: 1992-07-07 16:30:49 GMT

Hey now!

With all this talk about horrible potentially toxic glues and sealers getting
used in mash tun construction, I thought I'd offer an alternate approach.
First off, if your cooler already has a drain in the bottom, I wouldn't try
to modify it. My impression is that it's a lot easier to make a leak-proof
drain from scratch. Get a 15/32" drill bit and file the sharp edges near the
point dull. This will help it to scrape through, preventing the plastic from
chipping or shattering. Drill carefully through a flat section of the inside
of the cooler, and then shove a piece of 1/2" OD vinyl hose through it. It
will fit snugly enough that it won't leak. You can then fit 3/8" OD copper
tubing to either side by just sticking it in the tube.


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