Quartz Care and Maintenance 

Quartz Countertops are very hard, strong and non-porous, this makes them the most durable countertop surface available.
Quartz countertops can be simply washed with a soft cotton cloth and warm water. You can also use the following products if you desire.

Arm and Hammer Clean Shower, Clorox Anywhere
(Hard Surface)
Clorox Disinfection Kitchen Cleaner
Clorox Wipes Bleach Free Lemon Fresh
Lysol Disinfecting Wipes
Lysol Antibacterial Kitchen Cleaner w/Citrus Scent
Lysol Food Surface Sanitizer
Lysol Sanitizing Wipes
Simple Green D Pro Cleaner
Simple Green Extreme Clean
Quartz Brite Daily Cleaner
Scrubbing Bubbles Antibacterial Bathroom Wipes
Pledge Multi-Surface Cleaner

For hand or dish soap cleaners you can use,
Ajax Dish Liquid

Dawn Direct Foam Dishwashing Foam
Dawn Ultra Antibacterial Dishwashing Liquid
Dawn Ultra Concentrated Dishwashing Liquid
Dial Complete Antibacterial Foaming Hand Wash
Palmolive Ultra Concentrate 
Palmolive Ultra Antibacterial Dish Liquid

DO NOT USE abrasive or strong alkaline or acid (high or low ph) cleaner.  Do Not USE or expose Quartz to bleach, oven cleaner, Comet, Soft Scrub, SOS, and products with pumice batteries, paint removers, furniture stripper, tarnish or silver cleaner.  DO NOT USE abrasive or harsh scrub pads.  DO NOT apply any sealers, penetrants or topical treatment to Quartz.  Such products will wear off and cause the gloss to appear dull or inconsistent.

Granite and Marble Care and Maintenance 

Do not use:
Lemon Juice
Any Acid based cleaners
oven cleaner

Approved Cleaners:
Mild dish soap
Granite Gold
Granite Daily Cleaner
Weiman Granite Cleaner
Stone Daily Cleaner