Magnesium deficiency

Just add calmag. Those leaves will probably look like that permanently, but don't let that get to you! She won't care about some bad leaves.

Hey, my guy! I had the same problem around week 4. Check this article out. In reality, Nebula wants you to flush, but you can try and reset the soil by checking the pH value of the water you are putting in and going to the opposite spectrum. Let's say you are putting water/nutes in at 6.2, the next time you water, go to the opposite end of the spectrum, say 5.7. Be careful not to overload the CalMag, not that it's bad, but it has a chance to lockout other nutes. 2.5ml - 5ml of CalMg per Gallon, if I am not mistaken, is recommended. Here is her article: https://www.growweedeasy.com/cannabis-plant-problems/magnesium-deficiency Good luck and happy growing. You have time to fix it, and it may already be fixed - Cal/Mag deficiency will stay on the leaves that have been affected. What you want to check out is new growth. If new stuff looks good, you are probably good to go. Check pH before and with run-off. It's important!