Propagation Skip the Slow‑Cooker Seed Hack: A Safe, Temperature‑Controlled Germination SOP for Hydroponic Rockwool & Plugs Skip the Slow‑Cooker Seed Hack: A Safe, Temperature‑Controlled Germination SOP for Hydroponic Rockwool & Plugs 1. Common mistakes: why the slow‑cooker hack By Jeremy Banks 7 Feb 2026
