Thanks for the responses.
I sprayed them lightly with some neem oil and they haven't gotten any worse over the last few days so I will just keep an eye on them for now.
I might also add a little calmag with the next watering if the marks get worse.
I also measured the pH of the run off water...
Hi Guys – I'm a first time grower and this is my first post. Please help identifying a problem.
Strain - Cheese photoperiods
# of Plants - 2
Grow Type - Soil
Grow Stage - Sprouted 19 days ago.
Pot Sizes - 3 & 5 gallon fabric
Lights - (4) 80 Watt LED full spectrum +...