Yeah that makes sense, thanks again for your input. I'll try and update with my results, wish me luck!
dunumptanum Reviewed by dunumptanum on . Lucas formula - addback method and additive products (Floralicious plus/CalMag)????? Hi All, I've been googling like crazy and I can't find a clear answer on this. I'm an experienced soil grower of many years, but I've just upgraded my system to a DWC Hydro system (home made storage tote) and I've just started my first grow. I'm using the lucas formula (standard GH Flora) with Floralicious plus, CalMag and Cannazyme additives. I'm using the "add back" calculator method to top up my reservoir weekly with additional nutes to maintain my PPM (No reservoir dumps/changes, just Rating: 5