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.
Depending on your marijuana strains and grow room conditions (especially your ambient grow room temperature), you could have your water as low as 66Â° and not hurt your marijuana roots or plants. If water temperatures get too low, however, root function slows, oxygen levels in the water drop, and roots can be damaged.