first grow G13xHash Plant seed and polle

Hi @blendmedmedman! This looks like pH fluctuations to me. You should buffer your pH to ~6.2 which is the sweetspot for regular soil. Watering with the wrong pH will slow down or block nutrient intakes, leading to a slow growth / poor health of the plant. Get yourself a pH-pen, these aren't expensive but definitely helpful to get a successful yield. By the way, you should also buy an EC-meter, this will help you to manage nutrients and adjust your feedings to the plant's needs. Hope this will help, let me know in the comments section if you need further information. Happy growing! 👊