Create a checklist of all items in the bathroom that need deep cleaning and make the checklist a to-do on your monthly chores list. Bathrooms vary in their setup, but your list should include, at the minimum: 1  Shower and/or bathtub and any grout.  Showerhead.
Marijuana plants function the best when their surroundings maintain a consistent temperature between 70 and 75 degrees Fahrenheit during the daytime, and 50 and 60 degrees Fahrenheit at night.
At humidity levels higher than 55%, the marijuana will take a long time to dry, and it will be prone to mold. Keep a hygrometer and a thermometer in the drying area, close to the plants. A hygrometer will allow you to keep an eye on the relative humidity level in the room and a thermometer will display the temperature.