Holds more water: Redwood Outdoors Alaskan All-In-One
Redwood Outdoors lists: Max Water Volume 104 gallons. Renu Therapy lists for the Cold Stoic 3.0: 95 US Gallons.
A cold plunge with a chiller from Renu Therapy. Every figure below is Renu Therapy's own, linked to where it is published. Price on Renu Therapy's own site: $11,399 (on Renu Therapy's own site, 29 Sep 2026; the lowest-priced option).
See it at Renu TherapyAs published by Renu Therapy, read on 2026-09-29. Makers revise their products; check Renu Therapy's current specification before you buy.
Redwood Outdoors lists: Max Water Volume 104 gallons. Renu Therapy lists for the Cold Stoic 3.0: 95 US Gallons.
BlueCube states: 3-year residential / 1-year commercial full coverage (parts + labor) · 10-year tub & frame (aluminum). Renu Therapy states for the Cold Stoic 3.0: 5-Year Limited Warranty.
Side by side with the Plunge Chill Tub with Chiller. The makers of both cold plunges with a chiller state water capacities within 30% of each other.
Side by side with the Polar Monkeys Brainpod 2.0. The makers of both cold plunges with a chiller state water capacities within 30% of each other.
Side by side with the Polar Monkeys ONE. Both are cold plunges with a chiller, and the water capacities their makers state are within 30% of each other.
SaunaLife · cold plunge with a chiller · 124 gallons · for outdoor use
SaunaLife · cold plunge with a chiller · 200 gallons · for outdoor use
Plunge Chill · cold plunge with a chiller · 120 gallons · for indoor or outdoor use
Plunge Chill · cold plunge with a chiller · 92 gallons · for indoor or outdoor use
Polar Monkeys · cold plunge with a chiller · 90 gallons · 120 V supply
Polar Monkeys · cold plunge with a chiller · 85 gallons · 120 V supply
Renu Therapy lists: 95 US Gallons.
Source: Cold Stoic 3.0 - Renu Therapy
Renu Therapy lists: Integrated Wifi-Controlled Chiller & Heater with Advanced Filtration and Ozone Purification System; can cool down to 37°F (2.7 °C) or heat up to 104°F (40 °C).
Source: Cold Stoic 3.0 - Renu Therapy
Renu Therapy states: 37°F (2.7 °C). That is the maker's figure; Saunakivi has not measured it.
Source: Cold Stoic 3.0 - Renu Therapy
Renu Therapy lists: 120V / 15A Dedicated Circuit Recommended; GFCI Power Plug with 12 Foot Power Cord. Have a licensed electrician confirm your outlet or circuit against the manual before you buy.
Source: Cold Stoic 3.0 - Renu Therapy
Renu Therapy lists: Advanced Dual-Stage Filtration System; Advanced Filtration and Ozone Purification System.
Source: Cold Stoic 3.0 - Renu Therapy
Renu Therapy gives the outside dimensions as: Body: 70” L x 33” W* x 35” H.
Source: Cold Stoic 3.0 - Renu Therapy
Renu Therapy lists: Product Weight (Dry): 365 lbs.
Source: Cold Stoic 3.0 - Renu Therapy
Renu Therapy lists: Included Basic Tub Lid.
Source: Cold Stoic 3.0 - Renu Therapy
Renu Therapy lists: 5-Year Limited Warranty.
Source: Cold Stoic 3.0 - Renu Therapy
Renu Therapy's own site showed $11,399 (on Renu Therapy's own site, 29 Sep 2026; the lowest-priced option). That is the maker's price, not a retailer's or Amazon's; prices change, and the seller's page shows the current one.
Source: Cold Stoic 3.0 - Renu Therapy
More from Renu Therapy: all Renu Therapy products on Saunakivi.