I am using Miracle Grow Seed Starting for the bottom 3.5 inch of the cell. I am topping off with the top 0.5 inch with the Germinating Mix from Gardener's Supply Company. The Miracle Grow Seed Starting Mix is half the cost and much easier to obtain (at my local Home Depot) than the Germinating Mix, which I can only get via mail order.
I am utilzing 3.5 APS-6 units in this go around.
One of the APS-6 units is half filled with the 3 Cherry Tomato seedlings that emerged from Seed Starting Round 2. I filled the remainder of the APS-6 unit with more Cherry Tomato Seedlings. I still don't have enough Cherry Tomato Seedlings for the season. I want 2 each of Sun Sugar, Sun Gold, Sun Cherry ES, Sugar Snack, Super Sweet 100 and Sweet Baby Girl
The other 3 APS-6 units I use for Chinese Pumpkin, Kabocha and Winter Melon seeds.
This is a summary of the seeds that I planted:
Here is a picture of the 4 APS-6 units under the Grow Light