it needs relatively high humidity and to dry out between watering, followed by a good soak. that leaves the question—what else are these customers looking for? thank you to sign builder illustrated for recognizing our structure. it is insane to overlook the beauty of these cities. and, unlike traditional float switches, the hi-lo pump switch has no moving parts that can seize up or get wedged between the pump and the wall of the pit and prevent the pump from running, or cause it to run continuously and burn out. i have to say that idea worked. 