R Robogreen Active Member Nov 18, 2020 #1 Big Spots on top leaves just one plant All plants healthy. Not sure if cal mag. Boron or I thinking sensitivity to wind burn. Just not sure.Closer to fan. Other also close not a problem. Thanks to all
Big Spots on top leaves just one plant All plants healthy. Not sure if cal mag. Boron or I thinking sensitivity to wind burn. Just not sure.Closer to fan. Other also close not a problem. Thanks to all
