yellow growth

near the second week after cloning

So this was originally a seedling that I was originally going to throw away however I decided to keep it and do a "experiment" with it, that being what happens if I top super early and proceed to top further thereafter. The outcome I wouldn't care as it was a runt and going to be thrown out...

Hi all, I planted this seedling in a few weeks ago and i haven't seen much progress and a more alarming problem is that the leave are dying and i have no clue why. Iv not fed it nutes yet just watered it evey few days and let it be. I was concerned that it was because my leds where too low and...

So I just switched to 12/12 and switched from grow to bloom, well the transition suggested amounts of GH Flora drain to waste chart (half of the chart recommendation as I always have) and for the 1st time I am getting bright yellow in the new growth, and what looks like a calmag deficiency. Help!