i have been looking at EI but i go away quite a lot so i dont want my neighbour having to dose different chemicals daily etc. so i have come up with this routine Mon - Tue - NPK & Excell Wed - Thur - Fri - trace elements Sat - Sun - 40% w/c with NPK & Excell 1) Would this work as a mini EI method or is it a recipe for disaster? It is a 180l/ 40g 2 x 24W HO T5's = 1.2WPG (more like 2WPG) Nutrafin co2 at moment but this *possible* routine won't be happening unless i get a pressurized system. 2) Any ideas to improve, any pros and cons you can think of please say. 3) I will be dosing via dry ferts. pottasium nitrate pottasium phosphate trace mix **will i need to dose magnesium sulphate?** THANKS IN ADVANCE.