This is my cool Masdevallia tank in the basement window. The 10 gallon tank is pushed against the window with the shade pulled over the top of the tank. This directs the cold air from the window into the growing area. There is water in the bottom plus I mist for humidity, the light is a 12 watt power compact. The orange one is M. limax, and the brick colored flower is M. amplexa. The cold Rochester weather is good for something...