Originally Posted by RichardV6
Check out this thread Topline. The Mannol coolant I linked to and have been using does conform to WSS-M97B44-D as well as very many others.

BTW I can recommend this inexpensive coolant refractometer for measuring the freezing point of your coolant in situ. It can also measure SG of battery electrolyte to give accurate indication of your batterys SOC.

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Thanks for that. I had a look at refractometers and test kits etc but none of them can tell me what type of antifreeze I have, just the concentration levels.

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2020 Hyundai eKona
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