Cladosporium can also be black, gray, or brown. Some types of mold are difficult to spot in the soil and may not be noticed until they spread to the plant's foliage. Also, not every strange ...

He explains that darker shades of caulk naturally mask dirt, and that makes them ideal for high-use or moisture-prone areas. "To ensure long-term cleanliness, use a mold-resistant caulk designed ...