Bushmaster Cleaning System
The makers of Gunk and Liquid Wrench have taken to repackaging what proved to be one of the finest metal preservatives we’ve tested here in Idaho. Our tests (September 2012) on a bar of bare steel exposed to salt and rain for weeks showed the product, originally called Smith & Wesson Lubricant and Protectant, to be among the very finest at keeping rust off that steel bar. We had first tested that oil in July 2010, and it had been one of the best two preservatives we’d tried, the other being Boeshield. Our steel test bar now has sat outdoors all last fall and winter, and it has yet to
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