Kooru Cold Plunge Tub | Handcrafted Redwood | Shou Sugi Ban | Modern Reform
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The Kooru Cold Plunge Tub by Modern Reform is a handcrafted redwood cold plunge tub built in San Diego, CA. Each tub is finished using the traditional Japanese Shou Sugi Ban wood-charring technique, which chars and seals the wood surface for enhanced durability and a distinctive grain pattern. The unit arrives fully assembled and plugs into a standard 110V outlet. Available in five wood finish options: Natural, Oiled Leather, Spanish Oak, Dark Natural, and Teak.
Key Features
- Construction — handcrafted redwood with Shou Sugi Ban fired finish
- Chiller — 1/4 HP integrated chiller, 950 GPH pump
- Sanitation — ozonator (O3); no chemicals required
- Power — 110V standard outlet (GFCI required); 350–500W, 3–5 amps
- Capacity — approx. 60 gallons; adjustable water height
- Filter maintenance — filter replacement every 1–2 months depending on use
- Arrives fully assembled — no installation required
- Finish options — Natural, Oiled Leather, Spanish Oak, Dark Natural, Teak
Specifications
| Spec | Value |
|---|---|
| Brand | Modern Reform |
| Model | Kooru |
| Origin | Handcrafted in San Diego, CA, USA |
| Material | Redwood with Shou Sugi Ban finish |
| Outer Dimensions | 64"L × 34"W × 35"H (approx.; up to ¼" variance) |
| Tub Compartment | 36"L × 24"W × 30"H |
| Water Capacity | ~60 gallons |
| Weight | ~400 lbs |
| Chiller | 1/4 HP, 950 GPH |
| Sanitation | Ozonator (O3) |
| Power | 110V / 350–500W / 3–5A (GFCI outlet required) |
| Interior | High-density polyurethane liner |
| Clearance Required | Min. 33" through doors/passages |
| Lead Time | ~2 weeks production + ~2 weeks shipping |
Finish Options
- Natural — light redwood with visible grain
- Oiled Leather — warm amber tone with oil finish
- Spanish Oak — mid-tone oak-inspired finish
- Dark Natural — deeper charred tone
- Teak — rich brown finish inspired by teak wood
Shipping & Returns
Shipping: This item ships via freight. Free freight shipping to US addresses. Delivery requires a loading dock or lift gate — contact support@apexrecoverysolution.com before ordering to confirm delivery requirements. Lead time is approximately 2 weeks production plus 2 weeks shipping; timelines vary by location.
Returns: Returns accepted within 30 days of delivery. Items must be unused and in original packaging. Damage must be reported within 48 hours of delivery. A 25% restocking fee applies. Customer is responsible for return freight costs unless the item is defective or not as described. See our Refund Policy for full details.
Warranty: Contact support@apexrecoverysolution.com for warranty details.
Common Questions
Does the Kooru require any installation?
No. The tub arrives fully assembled. It requires a standard 110V GFCI outlet and a water source to fill. No plumbing connection is required.
What is Shou Sugi Ban?
Shou Sugi Ban is a traditional Japanese wood preservation technique that involves charring the surface of the wood with a flame. The process seals the grain, enhances durability, and produces a distinctive aesthetic with deep color contrast.
Can the tub be used outdoors?
Yes. The Shou Sugi Ban finish provides weather resistance. Place on a level surface with access to a GFCI outlet.
What is the lead time?
Each tub is handcrafted to order. Allow approximately 2 weeks for production plus 2 weeks for freight shipping. Contact support@apexrecoverysolution.com with timeline questions.
Questions before ordering?
We're happy to help with product selection, setup, delivery or warranty questions.
The information presented on this page is for general wellness and educational purposes only. Statements regarding products sold by Apex Recovery Solution 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 cold therapy routine, especially if you have cardiovascular conditions, Raynaud’s disease, or other cold-sensitivity concerns.
Specifications are provided by the manufacturer, Modern Reform. Due to the handcrafted nature of this product, dimensions may vary up to ¼".
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