Hi everyone! I have planted a number of seeds, tomatoes, spinach, lettuce under a shop light. They are growing well and are about 3-4" tall right now. However, I have noticed that recently their leaves have all started to curl slightly. Nothing else seems wrong with the seedlings, but I was wondering if anyone might have some advice.
I have kept the light a few inches from the leaves and raised it as they grew. The soil is consistently moist.