How to clean quartz<br>Rinse the quartz off with a power washer. If you have a large amount of quartz with a heavy amount of mud or dirt on it, you can try to rinse it off with a power washer. Set your quartz on the ground (preferably on concrete or asphalt) and rinse off the dirt.
Quartz of different shades should be washed over asphalt or concrete when using a power washer or the backsplash from other surfaces or materials can cause discoloration. 
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