Nothing remove gunk like a pressure washer. It is the most effective prewash option there is. It is also the most inconvenient option, due to everything you need and have to setup. Let's not even mention the cost.
Did you see what I used in my video where I questioned how effective a touchless wash is? I got that wand at Walmart.
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"Marines - Making the other guy die for his country for over 200 years."
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