Cleaners such as strong acids and alkalis will cause irreparable damage to quartz countertops. For example, H₂SO₄ and NaOH. They will destroy the resin components of the quartz countertops and cause permanent damage to the surface of the countertops: color fading, loss of gloss, yellowing, cracks.

Price per square foot of quartz countertops: 1. Low-quality quartz countertops, generally between $50 and $80 per square foot. 2. Medium-quality quartz countertops, which cost between $70 and $100 per square foot. 3. High-quality quartz countertops, which cost between $100 and $250 per square foot.

Five major disadvantages of quartz countertops: 1. Expensive, 2. Easily damaged by heat (resin melts), 3. Difficult to install, 4. Not suitable for outdoor use (easy to scratch), 5. Visible seams.

White quartz countertops such as Calacatta quartz countertops, with their elegant gray texture, mimic the look of natural marble while providing the high durability and easy cleaning of quartz, which makes them the first choice for many consumers.

China RongGuan's quartz countertops are one of the most chosen brands by customers. The cheapest countertop price is between $30 and $50 per square foot. For the high-end series, the price of Calacatta countertops ranges from $70 to $150 per square foot.