Gardzen 30 Pack 6-Cell Seed Starting Tray for Seedlings, Plant Starter Trays with Drainage Holes for Seed Germination, 5.4x3.7 inches, Black

This is what I was looking for! Everything about your setup seems good. Except those pots. So many gardeners here say they dry out fast, or the opposite. Rot/ mold. If you continue to have issues, try plastic. I use these. https://a.co/d/02riOI3E Then repot into various yogurt, sour cream, containers that I've saved.