I couldn't afford a fancy $1500.00 Dancing on the Cloud Machine, so I made my own for less than $70.00.
8 Gallon square bucket $15.95
https://hydrobuilder.com/ez-stor-heavy-duty-containers-buckets.html?opts=eyJhdHRyaWJ1dGU5NjciOiI3MjIyIn0=
5 Gallon bucket heater $43.99
https://www.amazon.com/GESAIL-Immersion-Submersible-Thermostat-Protection/dp/B07S95WHXB/ref=sr_1_2_sspa?crid=17MZCQUB81QFK&keywords=bucket+heater+5+gallon&qid=1648754531&sprefix=bucket+heater%2Caps%2C783&sr=8-2-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyNk9ZV0lPNlMzWTEmZW5jcnlwdGVkSWQ9QTAyNjY4OTIzQ0NaVlFQSENYQjNIJmVuY3J5cHRlZEFkSWQ9QTA2ODgyNDVOOVdNVFlRVVI1M1Umd2lkZ2V0TmFtZT1zcF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl
Dry Ice $6.00 for 5Ilb at my local store: Circus Ice Cream, Waldorf, MD