I thought that all this 'organic' content stuff was to promote environmental friendliness. Now I'm really confused. I'm not a chemist, so how do I select a coolant that doesn't have these 'salts' in it? Surely MB and Zerex aren't the only 2 out there that meet this criteria? BTW, I can't find Zerex G-05 here, and the nearest MB dealer is 2 hours away. I'd just like to hear from someone who can endorse a competitor, and why his product is superior to the 'green stuff'.

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1986 560SL
2002 Toyota Camry
1993 Lexus