seedlings are rly so easy.
All I do, soal in water till they sink (aprox 8-20 hrs)
Pour sunk seeds into paper towel and put in tuperware till taproot pokes out.
Then drop in rapid rooter and put under t5. Moisten with squirt bottle as necessary.
No heat needed. Seedlings don't need heat, they need light.the warmth travelling with the light from the light source is plenty. If seedlings needed heat they would stay in the ground. Seedling heat mats are ripoffs, should be called cloning heat mats.
I haven't tried germin any choco rain yet but I'm 5/5 on anesthesia