First grow part 2 (the march of the yellow leaves)

[Daddynobucks]

I don't have any EC meters or PPM meters but still manage to sustain healthy DWC set ups. Try not hitting it with so much so soon. Once you start seeing some growth introduce the nutes. Less is not always better however when it comes to hydro and nutes. You can lose a crop with a miscalculation.

Not to start an argument here but, There is NO chance of miscalculation with a METER, I think you are lucky not having any problems without a meter/s for hydro.
There is however a BIG differance in allowables between DWC and Aero.
these ladies are on a 0.68EC or 350 ppm 5.5-5.7Ph receipe,about 1/4 of that recommended,and should yield 8-10OZ. per plant :thumbsup:they are 6 wks into flower.I have found just the opposite of what you say, in that MORE is not always better.

Daddy