Nute burn or deficiency

Indy73

Active Member
I have three black jack autos n 1 fortune cookies auto. The black jacks are about 4 weeks old. The fc is about 5 weeks. My soil is a happy frog and ocean forest mix with perlite. They are in 3 gal pots. The fc started getting leaves with brown on them about a week or so ago. I figured it was time to add nutes because it started showing white pistils. So I started adding tiger bloom and Big bloom along with molasses.I’ve been watering them with straight water phd between 6.3 and 6.8. After watering them last night I’ve noticed today the 3 black jacks have started to brown on edges n tips.
 

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