I would back the light off increase ventilation and change out your rez. Use the 3-2-1 GH plus some calmag at 5.8 PH. Iv aso learned even plants of the same strain can vary quite a bit as to the tolerances they have to light nutes ect.
Cyclonite Reviewed by Cyclonite on . light stress ??? help n opinions welcome hello all , lil help cyclonite or others , lil background = in wtrfarms , room temp =73deg. , rh = 55% , ph = 6.0 , water in res n cells =65deg. , g/h 3 pt. nutes = ppm of 420-500 . 3 blueberry / 1 cotton candy x nycd . they just got their first taste of nutes n jumped like 4in. overnight . got like w/in 8-10in. of 1000w/ hps in cooltube . largest leaves on blueberry were affected the worst , tips not curled like nute burn , looks like light or heat stress i think ? cotton candy x Rating: 5