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Old 08-11-2009, 09:26 PM   #1
John Long
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Jun 2008
Olympia, WA
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So I've built a CPVC contraption that will act as my fly sparge.

I want to drill a hole in the top of my cooler and connect the 3/4" CPVC to a hose from my HLT. That way I don't have to open the lid to sparge. Very exciting stuff.

My issue is sealing the cooler around the CPVC. What can I use to seal the opening? Waterproof caulking?

 
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Old 08-11-2009, 09:51 PM   #2
Lil' Sparky
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Feb 2006
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Yeah, whatever will hold it should be fine - even liquid nails or expoxy. It's not coming into contact with the wort at any point.
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Old 08-11-2009, 10:14 PM   #3
jgbrown
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Aug 2008
Tucson, AZ
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Food safe, aquarium safe 100% silicone is 3.xx$ a tube at Home Depot.

 
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Old 08-12-2009, 08:06 PM   #4
John Long
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Jun 2008
Olympia, WA
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Sounds good!

 
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Old 08-12-2009, 08:21 PM   #5
The Pol
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Feb 2007
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I vote for the liquid nails/JB Weld sort of thing... here is why. Is this actually providing holding power, securing the fly sparge contraption?

#1. It never contacts your wort.
#2. The cooler lid is probably HDPE, and silicone will not bond to that smooth surface very well
#. Silicone is not very robust, not a lot of HOLDING power, great for sealing though.

I vote for liquid nails/JB Weld... I have done a lot of building


Also, from your other thread, if you are going to fly sparge, you need to ditch the braid.

 
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