First time starting from seed. Using coco perlite mix, 6.0ph. Pretty sure I overwatered about a week ago. Oldest plant is about 13-15 days, youngest about 5.
80 degrees 60%rh day
75 degrees 53%rh night
Using 220w t5 about 6” from tallest plant
What do you mean by quarter strength nutrient solution? I did not prep coco. I use h/g line. A/B, nit boost, drip clean, algen, multi zen. Also have Dyna grow liquid plant food and cal mag