check out the silver bottle,diesel kleen i believe it is.it says that it is a fuel stabilizer also,diesel kleen that is.i use the silver bottle not the white one due to my geographic location,mississippi.it rarely gets below 20 degrees f in my neck of the woods.i emailed power service with the ? of which to use and they said that i would get more use out of the silver bottle,diesel kleen, vs the white bottle,diesel fuel additive,since i shouldn't have a problem with gelling.the representitive even said that the silver bottle had a diesel fuel stabilizer in it for slow fuel turnover.
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