gritty mix vs semi-hydro comparison?
Has anyone tried both gritty mix and semi-hydro method and can compare the two? I have used the former and like it for most of my plants, but what am I missing by not using semi-hydro method? I grow a bunch of different house plants, mostly tropicals. My interests going forward lie primarily with hoyas. I grow indoors, and during the heating season the air gets pretty dry, so I am concerned how often I'll need to water if doing semi-hydro.
I posted a more general semi-hydro questions thread here (http://forums2.gardenweb.com/forums/load/houseplt/msg0203092013139.html - check it out if you have a s-h bug), but there are a lot of gritty mix people here as well. Too bad there's no separate "Semi-hydroponics" forum. Thanks, all.