Stock Tank Hot tub Sizing - Will you fit in this 100 gallon tub? - YouTube
Rubbermaid Commercial Products Stock Tank, 50-Gallons, Structural Foam, Heavy Duty Black Container for use with Animal/Cattle Feed and Water, Outdoor Homemade Pool/Hot Tub/Bathtub and Pet Cleaning: Amazon.com: Industrial & Scientific
Couldn't be happier with this cold plunge! Rubbermaid stock tanks are a marvelous solution. : r/Sauna