Source-backed data

Cold-plunge specification database

Compare current model capacity, weight, dimensions and system architecture without mixing marketing claims into the table.

Model	Capacity	Empty	Published filled	Dimensions	Architecture	Source
Ice Barrel 300	77 gal	61 lb	700 lb	35.5 × 35.5 × 30.5 in	Insulated tub; ice or external chiller	Manufacturer
Ice Barrel 500	94 gal	104 lb	886 lb	57.6 × 30.7 × 42.1 in	Insulated seated tub; ice or external chiller	Manufacturer
Plunge All-In Gen 2	105 gal	238 lb	1150 lb	76.75 × 31.5 × 28.75 in	Integrated chiller, pump, filtration and ozone	Manufacturer
The Plunge	105 gal	144 lb	1019.7 lb	66.625 × 31.5 × 26 in	Tub paired with external chiller	Manufacturer
Plunge Air	105 gal	28 lb	903.7 lb	61 × 32 × 28 in	Inflatable tub paired with external chiller	Manufacturer

Data rule: values are recorded from current manufacturer pages. If a manufacturer publishes conflicting current values, we preserve the discrepancy in editorial notes rather than silently selecting the more favorable number.