The main thing I can agree with is noise and cost. I just built a rdwc setup and spent 280 on a chiller. That is a one time cost to never worry about temps again. Everything else is cheap and you dont even have to ever drain a rdwc system if you dont want to. Definitely a small increase in electricity too. I'd have to think thatis more than made up for with the large increase in yield. Definitely don't believe soil will put out like dwc on consistent basis. I'd love to see a grow off with dwc vs soil.
My money is on the hydro plant
My money is on the hydro plant