Hi, I started off with CANNA Hydro Vega, and now have the complete set ie Rhizotonic, Cannazym, ...I substituted PK 13/14 For AN Hammerhead 9/18 (much better for Hydro/Dwc etc..) and Boost, and had AWESOME results minus a slight Mag deficiency..so I bought Canna Mag and everything was right as...