chemical based root stimulant

hi i am running 4 pod diy undercurrent system i am trying to keep a dead res what root stimulants would be best for this? the only ones i can find are all organic based an i want to keep all organic nutes out an just use chem, at the minute i am using dm zone an silica and AN sensi grow a+b i use sensi because i do not get leaf structure/density with any other nutrient line i mean leaves are really thick an feel like velvet or something any advice would be great i was told of one called gold by growstar anyone used it??? any info would be great ps i cant use roots exelurator by H&G as the DM zone cancels it out so if anyone knows would be great thatnks N.T.D

Roots Excelarator! allday everyday...also you should look into beneficial bacteria aka great white or microbe brew! +Rep please!

thats what i was gonna use but the dutch master zone cancel's its effects out making it useless cant use benes as i doing a dead res just staying chemical i cant be doing with the slime

i use sensi grow a+b seedling an veg
sensi bloom a+b flower
big bud
overdrive
hammerhead pk 9/18
thats it plain an simple