I have 8 clones that are 3 weeks old.. the leafs look like they are burning...
I have a vipar 600w up as far as it can go in the tent 60 inchs
Temps are 75 humidity is 60+
Light cycle is 18/6
I am watering and misting with rain water ph 6.5
Just put them in Happy Frog yesterday (6-18-20)
This has been happening for about a week
They are in a tray with a heat mat underneath (seedling mat)
I did a weak feed of blue planet farmers pride plus cal mag 4 days ago @ 300 ppm.
These are no longer in clear cups.