Quartz Countertop Cleaning Field Guide
Normally, a little soap & water is all that is needed! However, one may be presented with a cleaning challenge.
The following may help:
The Only How To Clean Quartz Countertops Guide You Will Ever Need at bcstone.com
Cleaning Quartz with Vinegar
Avoid Stains on Quartz Countertops
Caring for Quartz Countertop Videos