strain: gorilla glue
light : T5 8 bulb, about 1 1/2 ft from light
ph: 6.0-6.3
medium: roots organics soiless
nutes: pure blend pro ,protekt,cal mag,biocozyme, fulvic
e.c/ppm: 1.5 - 1050 (@.7)
I've seen this before on my previous harvest and there was no problems ,I tried to research it but...