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  #1  
Old 04-24-2004, 04:51 PM
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Arrow Orange Anti freeze Testing

Anyone know if the coolant testers designed for Green Ethylene glycol to Water ratios are accurate for Orange MB type coolant? Never had to wonder until I mixed up a batch and forgot to label it!! Thanks...

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Old 04-24-2004, 05:06 PM
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No idea how accurate this is but I premixed my coolant to what I calculated to be approximately 45/55. Then checked using my Prestone coolant tester with the result of just under 45% coolant and protection to well below zero F.
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Old 04-24-2004, 08:04 PM
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If you're talking about an antifreeze hydrometer to measure freeze/boiling point, yes they will work on any ethylene glycol base antifreeze regardless of the corrosion inhibitor chemistry. Dexool and Zerex G-05 (same as MB antifreeze) are both ethylend glycol based.

If you're talking about the litmus paper for testing reserve alkylinity, it is only valid for the traditional green antifreeze.

Duke

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