Thread: Coolant
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Unread 09-17-2002, 01:34 PM   #5
Cooling Savant
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Join Date: Mar 2001
Posts: 155
Default the swimming pool guys have pH down to a science

You can get multiple indicators for a wide range of pH at any swimming pool supplier, and they dont require you to buy in bulk.

Also, you can use a multimeter to check for pH:

down near the bottom of that page.
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