u/Frosty_Salary_1095

Day 17#. RH 60-70%, 27L pots with about 70/30 of soil/perlite. Hand watered every 3-4 days. Last watering was 3 liters of water. Every other watering I’m using Advanced Nutrients PH perfect line. Ppfd about 500-600 with 20/4 schedule. Temps at 22-28 celcius. Only the bottom leaves seem to affected. Any ideas guys?

At day 13. RH sitting at 40-50%. Temps at around 24-30 celcius. 20/4 light schedule. around 600ppfd at the top leaves. I’m currently fighting off some thrips with some natural pesticide. I can see some white or yellowish spots inside the black tips. What is this condition called?