Lindsey, at one time someone who knew the Phal. industry well (it is an industry now) told me who started that ice-cube watering method. He assured me the method was only thought up as an "easy" watering technique (who can't put a few ice cubes on the media). For the life of me, I cannot remember the name of the guy or the nursery the guy told me about. Of course, it surely could have originated by Phillip who passed it on.