Quote:
Originally Posted by layback40
Unless you are seeing below freezing a lot you can run lower concentrations than 50%.
|
According to at least one manufacturer, 44% is the lower limit for HOAT coolant. Anything less fails to deliver adequate corrosion protection. In the final analysis, unless you are using a refractometer, you are stabbing in the dark anyway, when it comes to determining the coolant/water mix.