I just noticed that my coolant is low and I am going on a trip this weekend. When I changed my timing-belt I used G13 Coolant which came in a timing belt kit from ecs. My question is whether or not I can add Pentofrost SF to G13? My coolant is quite a bit lower then the MIN line (bigger issue that I will take care of when I get back) so I wouldn't consider it an "average top-off". I have had no luck locating a thread on any site that directly references mixing G13 and Pentofrost SF. Any help is much appreciated.
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