The Kooru Cold Plunge Tub is a handcrafted cold plunge tub built from selected redwood in San Diego, California. It is designed for buyers who want a wood-constructed, self-contained cold water immersion tub for home use. The primary differentiators are Shou Sugi Ban charred redwood construction and a built-in ozone water sanitation system that requires no chemicals. Plugs into a standard 110V GFCI outlet.
Why This Cold Plunge Tub
Built for home installation without special electrical work — runs on standard 110V / 350–500W at 3–5 amps; plugs into any GFCI or grounded home outlet.
Built for chemical-free water maintenance — ozone sanitation system (O3) requires no chlorine or chemical additives; filter replacement approximately every 1–2 months depending on usage.
Built for durable outdoor aesthetics — redwood construction finished with Shou Sugi Ban charring, an ancient Japanese wood preservation technique that enhances grain depth and surface durability.
Built for one user — interior tub compartment measures 36"L x 24"W x 30"H; holds approximately 60 gallons of water.
Built in five finish options — Natural, Oiled Leather, Spanish Oak, Dark Natural, and Teak; all at the same price point.
Key Features
- Handcrafted redwood construction — each board hand-selected; built in San Diego, California
- Shou Sugi Ban finish — Japanese charring technique applied to each board for surface durability and grain depth; available in 5 color finishes
- Ozone water sanitation — O3 ozonator system; no chlorine required; filter replacement every 1–2 months
- 110V plug-in operation — 350–500W, 3–5 amps; plugs into standard GFCI or grounded home outlet; no dedicated circuit required
- 1/4 HP chiller pump — 950 GPH circulation
- Adjustable water height — approximately 60-gallon capacity; water level adjustable based on body displacement
- Moveable by two people — corner posts designed for two-person lift or moving trolley; weight approximately 400 lbs
Specifications
| Brand | Kooru |
| SKU (Natural) | koorunatural |
| SKU (Oiled Leather) | kooruloiledeather |
| SKU (Spanish Oak) | kooruspanishoak |
| SKU (Dark Natural) | koorudarknatural |
| SKU (Teak) | kooruteak |
| Material | Selected redwood; Shou Sugi Ban charred finish; high-density polyurethane interior tub |
| Exterior dimensions | Approx. 64"L x 34"W x 35"H (±¼" variance due to handcrafted nature) |
| Interior tub dimensions | 36"L x 24"W x 30"H |
| Weight | Approx. 400 lbs |
| Water capacity | Approx. 60 gallons |
| Chiller | 1/4 HP pump, 950 GPH |
| Sanitation | Ozone (O3) |
| Voltage | 110V |
| Power draw | 350–500W, 3–5 amps |
| Electrical connection | Standard GFCI or grounded outlet (plug-in) |
| Filter replacement | Every 1–2 months depending on usage |
| Color options | Natural, Oiled Leather, Spanish Oak, Dark Natural, Teak |
| Country of origin | United States (San Diego, CA) |
| Certifications | See product documentation |
| Warranty | See product documentation |
What's Included
- Kooru Cold Plunge Tub (redwood exterior, high-density polyurethane interior tub)
- Ozonator (O3 sanitation system)
- 1/4 HP chiller pump
- Filter
Installation & Setup
- Indoor or outdoor use — redwood construction with Shou Sugi Ban finish
- Electrical: 110V, 350–500W, 3–5 amps — plugs into any standard GFCI or grounded home outlet; no dedicated circuit or electrician required
- Clearance required: At least 33" of clearance through all doors and passages to reach installation location
- Footprint: Approx. 64"L x 34"W x 35"H; dimensions may vary up to ¼" due to handcrafted construction
- Water fill: Approximately 60 gallons; no plumbing connection required
- Weight: Approx. 400 lbs; moveable by two people using corner posts or a moving trolley
Shipping & Returns
- Production time: Approximately 2 weeks; shipping approximately 2 additional weeks depending on location. Total estimated lead time: approximately 4 weeks. Contact support@gatherwellshop.com for current availability.
- Shipping: Free standard shipping on most orders within the Continental U.S. (excludes AK and HI). Full tracking included.
- Returns: 30-day return window from delivery. Item must be unused and in original packaging. Damage must be reported within 48 hours of delivery. A 25% restocking fee applies to approved returns. See our Return Policy for full details.
- Warranty: See product documentation.
Common Questions
What electrical outlet does the Kooru Cold Plunge Tub require?
The Kooru Cold Plunge Tub runs on standard 110V and draws 350–500W at 3–5 amps. It plugs into any GFCI or grounded home outlet. No dedicated circuit or electrician is required.
How large is the Kooru Cold Plunge Tub?
The Kooru Cold Plunge Tub exterior measures approximately 64"L x 34"W x 35"H, with an interior tub compartment of 36"L x 24"W x 30"H. At least 33 inches of clearance through all doors and passages is required for delivery to the installation location. Weight is approximately 400 lbs.
How do I maintain the water in the Kooru Cold Plunge Tub?
The Kooru Cold Plunge Tub uses an ozone (O3) sanitation system that requires no chlorine or chemical additives. Filter replacement is recommended every 1–2 months depending on usage frequency.
How long does it take to receive the Kooru Cold Plunge Tub?
The Kooru Cold Plunge Tub is handcrafted to order with a production time of approximately 2 weeks, plus approximately 2 additional weeks for shipping depending on location. Contact support@gatherwellshop.com for current lead time estimates.
The information presented on this page is for general wellness and educational purposes only. Statements regarding products sold by Gather Well Shop have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Consult a qualified healthcare provider before beginning any new wellness routine, especially if you are pregnant, nursing, or have a pre-existing medical condition.
