Introducing the All-In Gen 2—our smartest cold plunge ever. Driven by insights from over 45,000,000 sessions, we rebuilt our flagship All-In from the ground up for daily plungers who demand colder water, cleaner cycles, and bulletproof reliability. Paired with the Plunge App, the All-In Gen 2 delivers next level performance, effortless maintenance, and smarter insights to turn your routine into an optimized cold therapy protocol. Improved temperature control - 31% faster and 50% more energy-efficient cooling down to 37ºF, powered by an all-new chiller and upgraded heat exchanger to reduce wait times and keep your plunge ready when you are. Enhanced hygiene - Onboard ozone sanitation plus a higher-pressure, higher-flow pump delivers 2x the filtration and circulation, cleaning your entire water volume every 15 minutes for crystal clarity. Smarter automation - A new electronic expansion valve with 10 integrated sensors that continuously monitor temperature, pressure, and flow rate, e...