Micro Grow Gift From RipperSeed

We see that from time to time and coined it "The Cabbage Leaf" Pheno. So far all have been good plants but don't seem to stretch like others but who knows 😉 genetic no worry

As Harbinger already said: this dark green does not look healthy.. that's a very high dosage of nitrogen, and if you say the run-off is 1500 ppm (i believe you take the Hanna scale), it means an EC of 3.0 which is way too high for most plants.. especially at this size. I suggest reading this: https://www.mandalaseeds.com/Guides/Fertilizing-Smart-Guide 30.9 degrees is also too hot, so try to get the temperature down, and preferably the humidity up (60 to 70%)