Propagation Best Propagation Dome Shape for Hydroponic Seedlings: Rounded Lids, Venting, and LED Spacing to Stop Damping‑Off Best Propagation Dome Shape for Hydroponic Seedlings: Rounded Lids, Venting, and LED Spacing to Stop Damping‑Off Common Mistakes: Why Your Domes Are Giving You By Jeremy Banks 23 Dec 2025
