I thought he said he was using Fox Farm Ocean Forest. Could be Calcium or Magnesium. 50% RH isn't bad I like to be around 65 - 75 RH. RH affects caclium uptake. Perhaps, you already knew this. If you have grown this strain under this light under these conditions previously, and none of these...
Hello Seamaiden, i have been helped many times by your posts...thanks! I am now starting new project. A greenhouse, I was reading a thread from years ago about making a light dep system yourself started by Sungrown. The thread was helpful but didnt complete my understanding of how to make one...