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Old 11-06-2010, 02:40 PM   #11
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salt- and freshwater aquarium enthusiasts use PVC and PVC cement in their aquariums with no adverse side effects.
My friend builds and installs aquatic set ups. He uses an aquarium safe sealant that I believe is silicone based.
Although working in plumbing I often have to re assure people that cpvc cement is ok to use. I also suggest to them not to use cpvc at all and use PEX or copper. No cement and lead free solder with H2O soluble flux makes for no off flavor or chemical leaching. Just my .02
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Old 11-22-2010, 12:34 AM   #12
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For those interested, I used this for the first time this weekend with good results.

I ended up drilling 18x 1/8" holes on the TOP side of the square section (as suggested by trigger) and it worked very well. I will say that 18x 1/8" holes does not restrict the flow at all. When I tested it beforehand, it flowed out of the holes faster than the kitchen faucet could fill it - just to give anyone who's interested a benchmark.

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Old 10-11-2012, 01:39 AM   #13
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Bought the materials for your build today. How do you attach the tube from your HLT to the top of your sparge arm? Do you need a tight seal or just way for water to flow in?

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Old 10-11-2012, 02:10 AM   #14
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Bought the materials for your build today. How do you attach the tube from your HLT to the top of your sparge arm? Do you need a tight seal or just way for water to flow in?
If you're using an HLT with a bulkhead and valve instead of just pouring hot water in a funnel, just place a CPVC hose barb on the top intake where you would otherwise be placing a funnel. That should allow you to connect yyour HLT tubing to the sparge arm.
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Old 10-11-2012, 05:59 PM   #15
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Regarding the pex, I have wanted to use that myself, but it isn't rated quite highly enough for boiling water right? I figured that pex would not allow you to add really hot water through the sparge arm for mashing out. Is that wrong? Has anybody used Pex with really hot water and had no issues?

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Old 10-11-2012, 06:54 PM   #16
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Regarding the pex, I have wanted to use that myself, but it isn't rated quite highly enough for boiling water right? I figured that pex would not allow you to add really hot water through the sparge arm for mashing out. Is that wrong? Has anybody used Pex with really hot water and had no issues?
PEX is rated for 200F, so it should be fine. If you're mashing out above 200F, I'd be concerned more about why you're doing that as standard practice. I'm not sure loads of people mash out at 200F. Check out this site for some PEX info:
http://www.ehow.com/about_6695610_pe...standards.html
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Old 10-11-2012, 07:20 PM   #17
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Quote:
Originally Posted by fc36
If you're using an HLT with a bulkhead and valve instead of just pouring hot water in a funnel, just place a CPVC hose barb on the top intake where you would otherwise be placing a funnel. That should allow you to connect yyour HLT tubing to the sparge arm.
Perfect that will work great
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Old 10-11-2012, 10:43 PM   #18
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Thanks fc36. Appreciate the link.

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