Detecting moisture under sinks is crucial for maintaining a healthy living environment. Here are simple steps to help you locate potential moisture issues: **1. Physical Examination** * **Visual Inspection:** Look for any visible signs of water damage, such as stains or discoloration on walls, ceilings, or floors near the sink. * **Touch Test:** Gently touch the base of the sink, cabinet, and surrounding surfaces. If you feel dampness or moisture, it could indicate a leak. **2. Leak Detection Tests** * **Paper Towel Test:** Place a paper towel under the sink and wait for several hours. If the paper towel becomes wet or damp, it may indicate a slow leak. * **Drywall Probe:** Using a thin, dry object, gently poke the drywall around the sink area. If the probe becomes moist, it suggests moisture penetration. **3. Moisture Measurement** * **Moisture Meter:** A moisture meter can provide accurate readings of moisture levels in drywall, wood, and other materials. Insert the probes into the suspected area to detect any excess moisture. * **Infrared Camera:** Infrared cameras can detect temperature differences that may indicate moisture or water leaks. A professional can use this tool to identify hard-to-reach or hidden moisture sources. **4. Other Indicators** * **Mold or Mildew:** The presence of mold or mildew is a telltale sign of moisture problems. Check for dark spots, foul odors, or slimy growths. * **Musty Odor:** A musty or damp odor coming from the sink area can indicate moisture accumulation or a mold issue. **5. Regular Inspection** Regularly inspecting your sink area for moisture issues is essential for early detection. Check for the aforementioned signs and address any concerns promptly to prevent significant damage to your home.