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Author Topic: Are copper tubes ok?  (Read 2093 times)
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« on: February 25, 2016, 12:28:01 PM »

Hi I am wondering if there is any negative in using copper tube in dry cell plumbing any advice will be helpfull  Dave
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« Reply #1 on: May 18, 2017, 05:09:01 PM »

Hi Dave
I have never used copper but there is one way to test this and that would be to soak a piece of copper tubing in Potassium Hydroxide solution for a week or two and watch what condition it is in once removed and washed.
This will tell you everything you need to know.
I did this as found that some people were toting brass and Potassium Hydroxide react together so I did the above and found that all it did was tarnish the brass. Since then i have been using brass fittings and had no issues. My longest operating cell has been 2 years with no problem.
Just so you are aware I purchased a green force cell and after having to modify it within 2 years the seals perished leaking Potassium Hydroxide onto the air conditioning condenser, costing me over $600 to repair it.
Since then I have be building my own and no more issues. I did a small video of the test jig used to burn in my cells on you tube if you want to see one built.
cheers Tubby
Say NO to high fuel prices.....
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There is a lot you can do with Water!

« Reply #2 on: May 26, 2017, 02:46:38 AM »

Hey Dave
You can use Copper if you want but it will be more difficult to use in relation to flexible PVC piping.
I don't see any advantage and it would take more effort and cost to use...

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