
This is a handcrafted cold water immersion tub (Kooru by Modern Reform) built in San Diego, CA from Shou Sugi Ban redwood. Each board is individually hand-selected, fired using the traditional Japanese charring method, and sanded before assembly. The tub holds approximately 60 gallons, circulates water through a ¼ HP pump at 950 GPH, and uses an integrated ozonator for chemical-free sanitation. It runs on a standard 110V outlet (GFCI/grounded required) and requires no professional installation. Available in five finishes. Allow approximately 4 weeks from order to delivery (2 weeks production + 2 weeks shipping).
Why This Cold Plunge Tub
- Built by hand in San Diego — each unit is individually constructed; the Shou Sugi Ban redwood exterior is fired and sanded board by board, not mass-produced.
- Built for chemical-free water maintenance — the integrated ozonator (O3) disinfects without chlorine or bromine; filter replacement every 1–2 months.
- Built for strong water circulation — the ¼ HP pump moves 950 GPH, keeping water temperature consistent throughout the 60-gallon interior.
- Built for standard electrical — runs on 110V (GFCI/grounded outlet required); no special wiring or dedicated circuit needed.
- Built for a custom look — five finish options: Natural, Oiled Leather, Spanish Oak, Dark Natural, and Teak.
Key Features
- Shou Sugi Ban Redwood Exterior — hand-selected boards, individually fired and sanded using traditional Japanese charring method
- Integrated Ozonator (O3) — chemical-free water sanitation; no chlorine or bromine required
- ¼ HP Pump — 950 GPH water circulation for consistent temperature throughout
- High-Density Polyurethane Interior — durable, insulated inner shell
- Adjustable Temperature Control — set to preferred cold water temperature
- Adjustable Water Height — customizable immersion depth
- 110V Standard Outlet — GFCI/grounded outlet required; no special wiring
- Five Finish Options — Natural, Oiled Leather, Spanish Oak, Dark Natural, Teak
- Made in San Diego, CA
Specifications
| Spec | Value |
|---|---|
| Brand | Kooru by Modern Reform |
| Exterior Dimensions | Approx. 64"L × 34"W × 35"H |
| Interior Dimensions | 36"L × 24"W × 30"H |
| Water Capacity | Approx. 60 gallons |
| Weight | Approx. 400 lbs |
| Pump | ¼ HP, 950 GPH |
| Sanitation | Ozonator (O3), chlorine-free |
| Power | 110V standard outlet (GFCI/grounded required) |
| Power Usage | 350–500W / 3–5 amps |
| Filter Replacement | Every 1–2 months |
| Exterior Material | Shou Sugi Ban redwood |
| Interior Material | High-density polyurethane |
| Made In | San Diego, CA, USA |
| Lead Time | Approx. 2 weeks production + 2 weeks shipping |
| Clearance Required | Min. 33" through doors and passages |
| Finishes Available | Natural, Oiled Leather, Spanish Oak, Dark Natural, Teak |
Installation / Setup
- Electrical: Standard 110V outlet, GFCI/grounded required — no dedicated circuit or hardwiring needed
- Clearance: Minimum 33" through all doorways and passages for delivery and placement
- Assembly: No professional installation required
- Placement: Indoor or outdoor use
Installation must comply with local electrical and building codes. Revive and Well recommends professional installation where indicated in the product documentation. Specifications are provided by the manufacturer; verify site requirements before purchase.
Shipping & Warranty
The Kooru Cold Plunge Tub is built to order with an approximate lead time of 2 weeks production plus 2 weeks shipping. It ships via freight (LTL) carrier to curbside or threshold in the contiguous US. Free freight shipping in the contiguous US; Alaska and Hawaii may incur additional charges. See our Shipping Policy for full details.
Returns are accepted within 30 days of delivery for unused items in original packaging. Change-of-mind returns are subject to a 25% restocking fee and customer-paid return shipping. Damaged or defective items must be reported within 7 days of delivery. See our Return Policy for full details.
Common Questions
Where is the Kooru Cold Plunge Tub made?
The Kooru Cold Plunge Tub is handcrafted in San Diego, CA. Each unit is individually built using hand-selected Shou Sugi Ban redwood boards that are fired and sanded one by one.
What sanitation system does the Kooru use?
The Kooru uses an integrated ozonator (O3) for chemical-free water sanitation. No chlorine or bromine is required. The filter should be replaced every 1–2 months.
What electrical outlet does the Kooru Cold Plunge Tub require?
The Kooru runs on a standard 110V outlet. A GFCI/grounded outlet is required. No dedicated circuit or special wiring is needed. Power usage is 350–500W (3–5 amps).
How long does delivery take for the Kooru?
The Kooru Cold Plunge Tub is built to order. Allow approximately 2 weeks for production plus 2 weeks for freight shipping, for a total of approximately 4 weeks from order to delivery.
What clearance is needed to bring the Kooru into my home?
A minimum of 33 inches of clearance is required through all doorways and passages. The tub weighs approximately 400 lbs and measures approximately 64"L × 34"W × 35"H on the exterior.
Disclaimer
The information presented on this page is for general wellness and educational purposes only. Statements regarding products sold by Revive and Well 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.



















