Looks like you already have your seedling pots in plastic trays. Why not just pour some water+fertilizer into the bottom and let the soil in the pots soak it up? Transfer to a different tray once watering is done. T > From: email@example.com > I dip a big soup spoon into the bucket of fertilizer water and gently > tip the spoon over each tiny pot, very close to the surface. > It takes awhile but it gives me a chance to look closely at each pot. > All of these I am seeing for the first time as seedlings. > In between fertilizing, about once every other week I spray the leaves > only with a more dilute solution, using a tiny spray bottle.