deficiency newbie dwc hydro help

Hi , it's my first dwc grow , 2x2 fastberry auto from fastbuds , bigger ones are nearly 5 weeks old and I've been battling root rot on it for over 2 weeks , then I've used h202 and fingers crossed , no sign of it so far . But it stopped grow for 3 weeks , regardless girls started flowering ...

New to DWC, trying to figure out WTF is going on. Im running GH FloraGro, Micro & Bloom in 5 gal res (4 gal nutrients) Currently about 3 weeks into veg under a LEC 315 ceramic. My PH runs 5.5 -> 6.2. I start with 4 gal RO water, at ~73ppm. I then add 15ml Cali-Magic, 32ml of the Micro, 64ml of...

Hi all I have a little deficiency and I'm not sure as to what it is. I'm thinking mag. I transplanted them Friday ( don't know if this could be a factor). I gave them each 2.5 teaspoon of Epsom salt about 9 hours ago. Can anyone give me any other advice than cal-mag which I am ordering...