pure sophronitis may require higher humidity. fascinating articles on how some of the japanese sophronitis growers only water at night to simulate natural conditions...
however, the VAST majority of slc will grow under regular catt culture. most slc's are not full-size standard catts, and will perhaps appreciate less light than the latter (although light should always be strong/indirect, even for slc). catt hybrids can tolerate quite low humidity and still do well.
good strong indirect light
water when approaching dryness; water more when actively growing and rooting