The answer to 'hardwood floor discolored' is that there are several common causes, including water damage, excessive sunlight exposure, improper cleaning, and natural aging. Discoloration can appear as fading, yellowing, or dark spots on the wood. The best solution depends on the specific cause, but often involves refinishing or replacing the affected boards.
If the discoloration is minor and localized, you may be able to address it with DIY cleaning and touch-up methods. However, for more extensive or severe discoloration, it's generally best to call in a professional hardwood floor refinishing service. They can properly assess the issue, determine the root cause, and provide the necessary restoration work to bring your floors back to their original luster.