Ice Tub Guide
Everything you need to know about cold plunge pools and ice tub baths.
The Ultimate Lite Plunge
Plunge any where in the world with our brand new, durable & agile Ultimate Lite. Compatible with our American Made, reliable Pro Curve Chiller. Easy 15-min set up Advanced cooling power to 37℉ Indoor & outdoor rated Compact size to fit in any space Fully insulated to keep water cold Comfortably fits anyone up to 6'5“

Best For: Beginners and home users looking for an affordable, durable, and spacious plunge tub that can be used with or without a chiller.
What It Is
The Ultimate Lite Plunge by The Cold Life is a thoughtfully designed entry-level cold plunge tub — a great pick for anyone starting their cold immersion journey without committing to a high-ticket setup. Unlike more advanced models, this version does not come with a chiller included, but it is chiller-compatible, making it an ideal stepping stone for those who may want to upgrade later.
Its size, insulation, and portability make it a standout option among budget-friendly plunge tubs. Whether you’re using ice manually or pairing it with a compatible chiller, this tub is built to support daily plunges in a way that’s practical and accessible.
Key Features
- Type: Manual cold plunge tub (chiller-compatible)
- Chiller: Not included in this version — chiller sold separately
- Material: Military-grade drop-stitch PVC construction for long-term durability
- Dimensions: 39.5” (Diameter) x 30” (Height)
- Water Capacity: Up to 95 gallons
- Weight Capacity: Supports over 400 lbs when full
- Insulation: 3-layer design to help retain cold temperatures
- Setup: Tool-free with included electric pump
- Includes: Tub, all-weather lid, pump, carrying bag, and drainage valve
Pros
- Spacious Design: Larger diameter and capacity than many competitors, offering more comfort for taller users or those who want full-body immersion
- Highly Durable: Military-grade PVC and drop-stitch construction give it a solid, long-lasting structure once inflated
- Upgradable: Compatible with Cold Life’s chiller system if you decide to automate your plunge setup later
- Portable & Easy to Set Up: Inflates quickly, folds down for storage or travel — no tools required
- Insulated for Efficiency: Multi-layer walls help retain temperature longer than basic tubs
- Clean & Modern Aesthetic: Minimal branding, sleek all-black design with lid for a tidy look
Cons
- Manual Ice Refills Needed (Without Chiller): Like all non-chiller models, maintaining consistent low temperatures means regularly adding ice
- No Built-in Filtration: Water must be emptied or manually treated regularly unless you upgrade with a chiller/filter system
- Takes Up More Floor Space: Its generous diameter is a perk for comfort but may not suit very tight indoor areas
- Extra Cost for Full Setup: To make it a full plug-in cold plunge system, you’ll need to purchase the chiller separately
Who It’s For
The Ultimate Lite Plunge is an excellent choice for:
- Beginners who want a more spacious and sturdy plunge tub without the upfront investment of a full chiller setup
- Budget-conscious biohackers looking to start their cold therapy journey with a high-quality but non-electric option
- Taller individuals or athletes who need more room than what most entry-level tubs provide
- Home users or renters who want something portable, packable, and easy to manage
- Plungers ready to scale up — start with manual use and add a chiller when you’re ready
Final Take
The Ultimate Lite Plunge is a standout in the growing cold therapy market for its combination of size, durability, and expandability. Unlike ultra-budget tubs that feel flimsy or cramped, this one offers real value with high-end materials, smart design, and the option to grow with you. If you’re serious about building a cold plunge habit — but not quite ready to go all-in on a plug-in model — this is one of the best places to start.
➡️ Looking for an all-in-one system with a chiller included? Check out the upgraded Ultimate Plunge Pro from the same brand.