lucas ratio

I have been growing with T5 in veg and HPS on bloom for over a decade. i just switched to LEDs... ( GC e420ROI & fluence SPYDRx in Veg ) and GC e4720ROI in bloom... I used to use the 5/10 with GH flora series in veg under T5, the bump it up to the full strength 8/16 in bloom under HPS. never...