DWC Nutrients/Supplements and Schedule.

does it contain NPK, K, Ca, Mg, S, B, Cu, Fe, Mn, Mo, and Zn? if so, and in proper ratios and concentrations, you don't need anythign else :) if they have a data sheet showing elemental ppm, an anwers can be given.. otherwise it's a guess and relying on anecdotal guesses. I think they look healthy. i'd do some googling on that brand.. if you dn't see bunch of complaining about how you ahve to do 1/2 strength, etc... it's probably fine. you'll find all sorts of comments over the past decade about FF like that an dplenty of others. if a hydroponic system of nutrients doesn't provide it all and you must buy 2-3 other products on top of a 2 or 3-part system, i'd look elsewhere, as they are just doing that to increase profit margin... a good system allows you to adjust a couple things and mostly get whatever ppm you want out of each nutrient. that way you can adjust to the diversity that you will see in each seed you germinate.