Cream&Cheese CBD/Kosher Kush -RSO-ES300

Beginning of the week Feb3 D43 : Light at 220w Didn't had much time this week, but plants began to show some difficulties... I'm not sure what it is but, what makes the most sense is a P toxicity Symptoms are Slower growth New growth pale green/yellowish New growth with very thin leaves I assume plants have difficulties in absorbing zinc My soil ph is still high at 6.8 to 7.1. Since the 3 last weeks, my rh was at 75%, learned that it was to high for the actual stage. Set my fan so RH stays in mid 50s to let a better vpd.