Personally I would no suggest a fogger they build bacteria quickly and require daily cleaning quite a lot of work. Substrate choice and water bowl location is likely enough. Substrates that hold moisture help a lot and so do large surface area bowls. A large shallow bowl will help more than a deep narrow one. It all is about water mass, you need lots of liquid to evaporate to increase humidity. Spraying is a fast bump but has no long term effect.

Room humidifiers work super well IMO they are the way to go, evaporation type in my experience work best they put vapour into the air and it is sterile as it has been boiled the other types do not and through bacteria as well as water drops they tend to drop ambient temps and need daily cleaning. Evaporation ones need cleaning as well just not as often and are generally healthier. Remember RH changes with temperature (relative not absolute) 60% @ 80ºF (15gm/m3) at 85ºF (15gm/m3) is not as much (51%), and at 70ºF (15gm/m3) more (82%). If you ambient air temp is higher than 80ºF you don't need 60% lower is fine 50% is likely all you need if your ambient air temp is lower you may need higher RH 66-70% however the actual amount of water in the air is the same.