The Original Coldtub

The Original Coldtub We make advanced hydrotherapy pools, tubs for professional and amateur athletes.

COLDTUB™ designs and manufactures cold water therapy products (aka cryotherapy, cold water immersion, balneotherapy, hydrotherapy). Our flagship product, the POLARPOOL® COLDTUB™ was inspired by Don DelNegro, head Athletic Trainer for the Boston Bruins hockey team, as he searched for a better alternative to common steel whirlpools for his athletes. Don, like many other trainers, was concerned about

the safety, sanitation, size, chemical maintenance, and set up time required by traditional cold water tanks.

Get to know our newest 1 person model, The ColdtubOccupancy: 1 Person (All Sizes - Lay Down Style)Gallons: 100 GallonsSa...
05/01/2026

Get to know our newest 1 person model, The Coldtub

Occupancy: 1 Person (All Sizes - Lay Down Style)

Gallons: 100 Gallons

Sanitation: Coldtub Pal Lite or Coldtub Pal-Semi or Fully Automated Dead Sea Salt Sanitation System

Panel Options: Western Red Cedar(Natural Stain or Dark Walnut Stain), or Black Ash Thermowood

Acrylic Options: Silver or Black Marble

Temperature Range: 35-104

04/23/2026

Our newest addition to our lineup🤎

Introducing our dark mode design, bringing an aesthetic that is a perfect pair with our light natural stain look
04/17/2026

Introducing our dark mode design, bringing an aesthetic that is a perfect pair with our light natural stain look

A guide to cold plunging❄️
04/10/2026

A guide to cold plunging❄️

04/08/2026

Coldtub AND a hot tub all-in-one 🧊 🔥
Can your cold plunge do both?

03/28/2026

Community. This is what the foundation of Coldtub has always been.

03/10/2026

Coming soon…

Get to know our largest 1 person model, The Coldtub PlusOccupancy: 1 Person (All Sizes - Lay Down Style)Gallons: 120 Gal...
02/27/2026

Get to know our largest 1 person model, The Coldtub Plus

Occupancy: 1 Person (All Sizes - Lay Down Style)

Gallons: 120 Gallons

Sanitation: Coldtub Pal-Fully Automated Dead Sea Salt Sanitation System with Supplemented Ozone System

Panel Options: Western Red Cedar(Natural Stain or Dark Walnut Stain), or Black Thermowood

Acrylic Options: Silver or Black Swirl

Temperature Range: 35-104

02/20/2026

Get away from chlorine and get into salt! Hear the benefits directly from a daily user of our Coldtub🙌

Get to know our 2 person model, The IcebreakerOccupancy: 2 People (All Sizes)Gallons: 140 GallonsSanitation: Coldtub Pal...
02/11/2026

Get to know our 2 person model, The Icebreaker

Occupancy: 2 People (All Sizes)

Gallons: 140 Gallons

Sanitation: Coldtub Pal-Fully Automated Dead Sea Salt Sanitation System with Supplemented Ozone System

Panel Options: Western Red Cedar(Natural Stain or Dark Walnut Stain), or Black Thermowood

Acrylic Options: Silver or Black Swirl

Temperature Range: 35-104

Coldtub Pal Salt Water Sanitation >>> Harsh Chemicals
02/10/2026

Coldtub Pal Salt Water Sanitation >>> Harsh Chemicals

02/04/2026

The one and only salt water Coldtub made right here in the USA. We have been doing salt water for over a decade and this is a massive part of who we are🇺🇸

Address

251 Mayfield Drive
Harwich, MA
37167

Telephone

+18882957672

Website

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