Red Hard Head's latest activity

Looks like phosphorus deficiency. And cal mag. Assuming you don't have a soil pH meter...What's the medium feel like or smell like. If...

First one is weed. Other two do look like pepper sprouts. Cause a seed likely fell off a previous harvest . if indoors, rodelization...

You got a few deficiencies. Two plants look ok showing less foliar symptoms. What I see is a potassium deficiency in the burnt spots...