Normally I would not comment on hydro at all, but you mentioned horses including becoming your own farrier. Been there, done that, grew my own hay too. Those were the days. Had a few really close relationships with horses in my life time. Horse people are good people....Go sniff noses with a horse.....If you know horses, you know why. Alas, city live now.

Best to you with your grow, again I know nothing of hydro.