lexus114

Any one here use royal purple ice? If so,do you think it helps reduce temp.?

rx300s415

I never heard of the stuff but I just go by what most people here tell me, which is Redline's Water Wetter. Lexmex and some other handful of people on this forum uses it with every coolant flush here and there. I haven't noticed much of a difference but users have seen lower temperatures from the addition of it to the coolant.

Lexmex

It's also good stuff, but you have to use at least two bottles to get effectiveness. Some people (at least 3) have reported to me (and this was in Mexico City where cooling is something you really have to watch) that they found via electronic measuring that two bottles of the Royal Purple were more efficient than running two bottles of WaterWetter, but compared one bottle to one bottle, the WaterWetter was king. Next time I change out my coolant, later in the year, I plan to run two bottles of the Purple Ice.