How much water should be mixed with my antifreeze?

  If you are using our Pre-Blend HDLL antifreeze / coolant, you shouldn’t mix any further water with the antifreeze / coolant as Timberline has already mixed in the proper amount of reverse osmosis treated water.  In contrast to mixing it yourself, our reverse osmosis treated water ensures that you are not introducing any contaminants Read more about How much water should be mixed with my antifreeze?[…]