Can You Identify All of These Items You Find at Home Depot?
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17. A thermometer is a good way to measure the temperature of a room. What tool is used to measure humidity levels?
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Correct Incorrect Anybody with an indoor garden knows controlling relative humidity is just as important as controlling temperature. Dry environments stunt growth and damp environments cause mold and rot. You need a hygrometer to know how much water is in your air.