Keep Them Close - By placing your orchids close to each other you will help trap the humidity and also help control the surrounding orchid temperature.
This is yet another phenomenon that is related to humidity. Dew is essentially condensation, and being that condensation is the saturation of air due to temperature-change, this temperature-change is also
According to the Environmental Protection Agency (EPA), pollutant levels are two to five times higher inside the home than out. These pollutants include