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Old 11-21-2014, 10:42 AM   #11
Mike51Merc
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Join Date: May 2010
Location: Northeast Pennsylvania
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Default Re: how much anti-freeze ?

For reasons only chemists understand, 50/50 offers more protection than straight antifreeze which is why they sell premix antifreeze.

Like others have said, get a tester. Forget the heat lamps, they're more trouble than they're worth.
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