{"product_id":"kooru-cold-plunge-tub","title":"Kooru Cold Plunge Tub – Handcrafted Redwood, Shou Sugi Ban, Ozone Purification","description":"\u003ch2\u003eKooru Cold Plunge Tub – Handcrafted Redwood, Shou Sugi Ban \u0026amp; Ozone Purification\u003c\/h2\u003e\u003cp\u003e\u003cem\u003ePassionately handcrafted using sustainable and ethically sourced materials.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eHandcrafted in San Diego from sustainably sourced redwood, the Kooru Cold Plunge Tub arrives completely set up and ready to use — no complex installation required. It plugs into a standard 110V home outlet and is simple to maintain. Available in 5 premium finishes: Natural, Oiled Leather, Spanish Oak, Dark Natural, and Teak.\u003c\/p\u003e\u003cp\u003eEvery board is hand-selected, then carefully fired and sanded using the Japanese tradition of Shou Sugi Ban — an ancient technique that chars the wood surface to enhance durability, deepen color, and expose the natural grain. The result is an unmatched depth of finish that reflects the philosophy behind cold plunging itself: good stress makes you stronger.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandcrafted in San Diego\u003c\/strong\u003e — sustainably and ethically sourced redwood, premier craftsmanship.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShou Sugi Ban finish\u003c\/strong\u003e — ancient Japanese wood-charring technique for enhanced durability and stunning grain depth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOzone water purification\u003c\/strong\u003e — chemical-free, the most effective and sustainable water treatment method.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e110V plug-in\u003c\/strong\u003e — plugs into a standard home GFCI outlet, no special electrical required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter dimensions:\u003c\/strong\u003e ~64\" L × 34\" W × 35\" H (subtle variances up to ¼\" due to handcrafted nature)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTub compartment:\u003c\/strong\u003e 36\" L × 24\" W × 30\" H (high-density polyurethane)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~400 lbs (movable by two people via corner posts or moving trolleys)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater capacity:\u003c\/strong\u003e ~60 gallons; adjustable water height from shoulders to neck\/chin level\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChiller:\u003c\/strong\u003e 1\/4 hp pump, 950 GPH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 350–500W @ 3–5 amps, standard 110V GFCI outlet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater sanitation:\u003c\/strong\u003e Ozonator (O3) — chemical-free purification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter replacement:\u003c\/strong\u003e Every 1–2 months depending on usage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor clearance required:\u003c\/strong\u003e At least 33\" through doors\/passages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduction time:\u003c\/strong\u003e ~2 weeks; shipping ~2 additional weeks depending on location\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable finishes:\u003c\/strong\u003e Natural, Oiled Leather, Spanish Oak, Dark Natural, Teak\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShou Sugi Ban Burning\u003c\/strong\u003e — An ancient Japanese technique that preserves wood by charring the surface with a hot flame. Rather than degrading the wood, Shou Sugi Ban enhances durability and beautifies the grain, creating a stunning finish suited to both modern and rustic settings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAdjustable Temperature Control\u003c\/strong\u003e — Simple and easy to use. The programmable chiller allows precise temperature management and straightforward maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNatural Ozone Water Purification\u003c\/strong\u003e — Ozone (O3) is a potent oxidant that breaks down contaminants and microorganisms without chemicals or harmful byproducts. Research shows it is the most effective and cost-efficient water treatment method available — and the most environmentally sustainable.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes it require special electrical installation?\u003c\/strong\u003e\u003cbr\u003eNo — the Kooru plugs into a standard 110V home outlet. The outlet must be GFCI or grounded as required by state laws. No dedicated circuit or special wiring is needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is Shou Sugi Ban?\u003c\/strong\u003e\u003cbr\u003eShou Sugi Ban is an ancient Japanese wood preservation technique that chars the surface of the wood with a hot flame. This process enhances the wood’s durability, deepens its color, and exposes the natural grain for a distinctive, premium finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is the water kept clean without chemicals?\u003c\/strong\u003e\u003cbr\u003eThe Kooru uses an Ozonator that emits O3 (ozone) to purify the water. Ozone is a potent natural oxidant that eliminates contaminants and microorganisms without chemicals or harmful byproducts. Filters should be replaced every 1–2 months depending on usage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long does it take to receive?\u003c\/strong\u003e\u003cbr\u003eProduction takes approximately 2 weeks, with shipping adding approximately 2 more weeks depending on your location.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat finishes are available?\u003c\/strong\u003e\u003cbr\u003eThe Kooru is available in 5 finishes: Natural, Oiled Leather, Spanish Oak, Dark Natural, and Teak. All are priced the same — select your finish at checkout.\u003c\/p\u003e","brand":"Modern Reform","offers":[{"title":"Natural","offer_id":44074050125898,"sku":"koorunatural","price":7999.0,"currency_code":"USD","in_stock":true},{"title":"Oiled Leather","offer_id":44074050158666,"sku":"kooruloiledeather","price":7999.0,"currency_code":"USD","in_stock":true},{"title":"Spanish Oak","offer_id":44074050191434,"sku":"kooruspanishoak","price":7999.0,"currency_code":"USD","in_stock":true},{"title":"Dark Natural","offer_id":44074050224202,"sku":"koorudarknatural","price":7999.0,"currency_code":"USD","in_stock":true},{"title":"Teak","offer_id":44074050256970,"sku":"kooruteak","price":7999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4581\/8442\/files\/Kooru-800800_800x800_1ea2d7ad-26a5-445d-aba6-24941e6d8c93.png?v=1786913269","url":"https:\/\/primerecoveryden.com\/products\/kooru-cold-plunge-tub","provider":"Prime Recovery Den","version":"1.0","type":"link"}