@SeymourGreen yes, @lefthandseeds does! He started with Jacks and Masterblend and found it easier to just go from elemental salts to hit his metrics accurately at all stages of growth:
I think he found that the Custom Hydro micros were the best overall but definitely read his thread he’s super deep into it at this point and has gotten things pretty dialed!
There’s also a great thread by @LD50 comparing different fertilizer products and their combos if you want a baseline comparison of one against another or some inspiration for mixing: