K, finally seeds in ground. No cracking, scuffing, filing. Soaked overnite, damp paper towel in baggie on heating pad set to lowest setting. Think the overnite soak combined with the heating pad softened shell enough to allow self cracking. 100%. 3 showed tails and 2 showed crack. Plumber seeds I guess! Planted in 32oz drink cup filled with coco. Sprayed surface with distilled water. Temps in the 70'sF here so until lights go on no heat problems. My intake fan seems to be doing the trick. Dropping temps at least 35 degreesF. Have to get a better thermometer. This meat thermometer too inaccurate at low temps. Told you I was cheap.