Organics are nice because they can be cheap and u can reuse soils with amendments and such but it takes time is it a better yield or quality? i don't think so. For organics you need a lot of extra space extra dirt and time.
synthetics are readily available to the plant and you can fix things...
do yourself a favor and if you are going to try and make a water cooled light use either a hydroponic/icebath water chiller. or skip the thermal electric shit and get a big car radiator and a high flow pump and a big ass fan.
I made a water loop for my co2 laser with peltiers and has a lot of...