Chow_13answered grow question 3 years ago They don't look that bad, nothing to be overly concerned about. Are you letting your soil dry out to 1" below the surface? Could be to much moisture at the root zone, Your not watering to much so they will quickly grow out of it if that is the cause. Could also be from to much wind. Is your fan causing them to sway in the wind? They can be very finicky when they are that small, but quiclky grow out of it and start to look normal.
Happy Growing