doing something wrong?

Hi, just was wondering if anyone notices and issues with any of the pictures attached? She sprouted about 15 days ago. I’m using FF happy frog soil and fed the plant big bloom, Cali magic, FF boomerang with RO water. I alway make sure PH is within 5.8-6.5 and when I watered 5 days ago the...

There’s a couple leafs that look like the picture so this morning I clipped them off around 4 of them will this hurt my plant ?

Hey what's up ayahs. I'm newly registered to RIU forums, although I have been reading a LOT of threads for quite a while. I have a reasonable amount of knowledge regarding marijuana cultivation. But there is one problem, I'm currently working with a 70 W HPS (growing 1 plant )... So my big...