I’m useing a phlizon 2000w smd led for my seedlings I have ten two have brown spots on there leaves the others r fine could it be my light or something else I’m useing happy frog potting soil
My seedlings r 4 days old I have them on 17 hrs of light 7 hrs dark this is my second grow my first grow was clones and I did 24 hrs light can I switch my seedlings to that schedule or should I leave it