Dragon juice

That's a good practice. I've never used dj. The impression I have on it is that of a degreaser. Let me know what you find!

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Some people in here said they used it as a surfactant and worked pretty good.

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What's the best way of removing tire marks off concrete driveway?

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I use DJ 5:1 one. Pre treat. Agitate. Then hot water pressure.

Doug Rucker
Clean and Green Solutions
Pressure Cleaning School
Call/Text 2818838470