GH FloraSeries, Grow, Bloom, Micro plus GH Advanced, FloraBlend, Floralicious Plus, Rapid Start, Kool Bloom, Diamond Nectar, CalMagic, FloraKleen(flush), also Dyna-Gro's Pro-tekt Silica, and Botanicare's Hydroguard.
Plants explode, top and bottom. Very easy to use, PH stable, rarely need any...