The Incubator:
Cambro - Camcarrier S-Series - UPCS180 (8" deep)
Full size Stainless Steel 2.5" deep Steam Table Pan (also called 1/1) with Lid
Aquarium Heater: 25 - 50 W; adjustable to operate at 89˚F; (for an aquarium not larger than 10 gall)
Aquarium Air Pump, small (for up to 10 gall)
Air tubing for the air pump with back flow preventer
4" Air Stone
Suppliers of dry roasted soybean halves :
http://nuts.com/snacks/soybeans/halves.html
For larger quantities (non GMO or organic): http://www.skfood.com/DehulledSplitSoybeansPressRelease.htm
Tempeh Culture also called Powdered Tempeh Starter
http://www.gemcultures.com/soy_cultures.htm
There are other suppliers listed on the web; not everyone has Rhizopus Oligosporus
Betsy's Tempeh in the Media:
Ellen Kanner in the Huffington Post
Making your own Tempeh Starter ( Tempeh Culture) ( Here )
Experiment in making soybean halves from organic soybeans ( Here )
Other ingredients : Experiments (Here)