On behalf of the OVE team, we are sincerely sorry to read this. We aim to provide our clients with high quality products and services to meet your needs. The issue you describe if absolutely abnormal. The sink is solidly glued with cement like epoxy and reinforced with metal brackets. The countertop is made of real Italian Carrara marble That is not more subject to scratches than other real stone countertops. As for the molds developing, You need to make sure to clean your vanity, nothing in the product itself will create that. The Sonoma is made of high quality solid wood and MDF painted with the best paint technology available in the industry for that purpose. That being said, we want to ensure that you have a positive experience with our brand. Please contact us by phone at +1.866.839.2888 for one of our customer service agents to assist you immediately.