First-time grower here, looking for feedback – I have two photoperiod plants growing in a 2x4 tent with conditions around 75 F, 70% RH, and .8 VPD on an 18/6 schedule, started in happy frog soil. I’ve been lightly watering every 2-3 days with pH between 6.3-6.5.
My first mistake was placing lights too high, so my seedlings were pretty leggy initially. I lowered the lights at day 7, but they were too intense (about 450ppfd), and I had slight yellowing appear on day 8. I adjusted so they were getting around 270ppfd, and that helped.
On day 9, I started Solomon Veg A+B at 1/4 strength. Day 10, leaves were coming in strong but stems were leaning (from the earlier leggy-ness) and they looked a little dry (slight leaf curling). I put cups back on as humidity domes, and water droplets had formed by day 11, but the leaves looked better.
On day 12, I think I overwatered or overfed. The soil seemed dry, so I fed 2 cups RO water each with veg A+B and calmag both at 1/4 strength, pH 6.27 after mixing. I think I watered too close to the stems this time.
Day 13, the first set of true leaves had yellow spotting, and the soil was pretty wet. I transplanted them to fresh dry soil and only watered a couple oz of plain RO in a wider circle.
We’re on day 16 now, the first true leaves look worse, and some spotting is coming in on even the second set on one plant. New growth seems okay, but I’m not entirely sure.
Looking for some general feedback and thoughts on the viability of these seedlings moving forward. My plan is to only use plain RO water and not mess with them too much the next few days.
