New arrival Detox Deal

Arki™ Pro 2.0 Cold Plunge Tub

$3,999.00

$7,999.00

Save$4,000.00

$7,999.00

In stock & ships in 1 business day • Free shipping

✓ Premium reclined lounge tub (acrylic over reinforced fiberglass).
✓ Cools to as low as 32ºF, heat up as high as 113ºF.
✓ Fits users up to 6'8".
✓ Powerful 1-Horsepower chiller/heater.
✓ Control temperature, ozone, and UV-C with an app.
✓ Superior insulation built for extreme heat

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Flexible payments and wellness savings

Starting at 0% APR

Use HSA/FSA funds

Flexible financing

Questions? Call 1-800-528-3110

Speak with a sauna specialist today. Ask about our optional installation service.

Experience the gold standard in physical recovery with the Pro-Grade Cold Plunge. Engineered with a powerful dual-temperature engine for both advanced cooling (as low as 32°F) and heating (as high as 113°F), every detail is built to deliver exceptional performance and enduring reliability. Our integrated 3-stage water care chiller combines active circulation, molecular Ozone, and hospital-grade UV-C sterilization to keep your water crystal clear with zero harsh chemicals. The spacious, ergonomically contoured lounge basin comfortably fits users up to 6'8", using heavy-duty insulation to hold your target temperature precisely. Whisper-quiet, fast, and remarkably efficient, it delivers elite, professional-grade contrast therapy right to your home. Setup is completely straightforward, the aesthetic is clean and modern, and the structural engineering underneath is built to last.

Size & Capacity

This spacious tub comfortably fits users up to 6'8", offering extra room to relax or sit cross-legged.
Deep-immersion design allows complete submersion up to the chin for total-body recovery.

Build Quality & Insulation

Acryic & fiberglass tub - great for both indoor and outdoor use.
Heavy-duty insulation to hold your target temperature precisely.
Childproof, lockable lid with key for added safety.

Cooling, Heating & Performance

Control temperature, ozone, and UV-C with a downloadable app.
Cools water down to 32°F, no ice needed.
Heats water up to 113°F.
Heavy-duty insulation to hold your target temperature precisely.
Childproof, lockable insulated cover with key for added safety.
1-HP chiller maintains your precise target temperature and drives continuous active circulation.

Filtration & Water Care

Chemical-Free: Our advanced 3-stage sanitization chiller to keep your water crystal clear, and pristine.
Includes a push-button drain and connectable hose for mess-free water routing

Power & Warranty

Plug-and-play setup on a standard 110V outlet, no plumbing required.
Includes a standard 1-year manufacturer warranty.

We provide everything required to get you up and plunging immediately. Your complete system arrives with all essential filters, heavy-duty hoses, quick-connect fittings, adapters, a comprehensive instructional guide, and immediate access to the mobile app. Best of all? Most users report a seamless setup process that takes just 10 to 20 minutes from unboxing to filling.

Instructional user manual and care instructions
Acrylic and fiberglass cold plunge tub
Pro-Grade Chiller
Child-safety insulated cover with screws and keys
Free curbside delivery
1-year standard warranty
3 Filters
2 hoses
Plug with built-in GFCI protection
Intake strainer to prevent debris getting in your chiller
Downloadable app

Exterior Dimension: 59"L(Top)/46.5"L(Bottom) x 30"W(Top)/22"W(Bottom) x 24" H
Interior Dimension: 56.5"L(Top)/45"L(Bottom) x 27.8"W(Top)/20"W(Bottom) x 17.8" H
Chiller Dimension: 20" L x 18.5" W x 26" H
Weight w/o water (lbs): 150
Weight w/ water (lbs): 850-950
Water Capacity: 93.46 Gallons
Cooling rate: 12-15 degrees per hour*
Heating rate: 8-10 degrees per hour* (heater only)
Material: Premium acrylic with reinforced fiberglass
Cooling/Heating: 1 HP high-efficiency chiller, 8,525 BTU/hr
Temperature Range: 32°F to 113°F adjustable
Water Care: Ozone + UV-C + 20-micron pleated filtration
Electrical: 110V / 60Hz (standard household outlet), GFCI required
Warranty: 1-year standard warranty
Location: Indoor and outdoor use
Enhanced insulation for flawless, long-lasting temperature retention.
User friendly app controls temperature, ozone, and UV-C.
Ultra-quiet chiller operates at 50% quieter than the industry chillers.

*Actual heating and cooling rates vary by ambient temperature and location. Units outdoors in hotter climates will cool slower than in colder regions, and units in colder climates will heat up slower than in warmer regions. Please use the insulated cover for optimal efficiency.

Professional Performance, Thoughtful Design

The JNH Cold Plunge delivers premium cold therapy without the complexity. It is built for consistency, cleanliness, and real-life usability, so your routine stays simple and sustainable.

Consistent Cold, Every Time

Set your temperature and your cold plunge maintains it, session after session. No ice runs, no guesswork, and no compromises when the weather changes.

Active Circulation

Cold water is most effective when it stays consistent around your body. The Cold Plunge continuously circulates water, reducing warm pockets for a uniform experience.

Clean Water, Less Work

The Cold Plunge uses a triple-layer sanitation approach (ozone, UV-C, filtration). The result is clearer water with fewer chemicals and fewer water changes.

Designed for Real Use

Your cold plunge is designed with everyday safety in mind, including an exit-friendly height and a thoughtfully sized interior for comfortable positioning.

Built for Your Space

A clean, freestanding silhouette makes the Cold Plunge feel at home in wellness rooms, home gyms, backyard, patios, and bathrooms. Pair it with your JNH infrared sauna to complete a modern contrast therapy ritual.

Complete Wellness for Your Modern Life

Recovery and Performance

Support recovery between training sessions and reduce the feeling of soreness so you can stay consistent.

Mental Clarity

Train your nervous system to respond calmly under pressure. A daily reset for mood, focus, and stress.

Metabolic Support

Widely used to support healthy circulation and long-term wellness alongside sleep and nutrition.

Quality Sleep

Incorporate cold exposure into evening routines to help feel calmer and more ready for rest.

Natural Radiance

Cold exposure may reduce puffiness and support a healthy, refreshed look through improved circulation.

Contrast Therapy

Pair with a JNH infrared sauna for a simple heat and cold ritual that supports recovery and resilience.

Why JNH Stands Apart

JNH Cold Plunge

Maintains 32°F automatically
Active circulation for consistent feel
Triple layer sanitation (ozone, UV-C, filter)
Plug and play on 110V
Compact footprint for real homes

Standard Ice Bath

Requires ongoing ice purchases
Temperature varies session to session
More frequent dumping and refilling
Less convenient for daily consistency

Other Guys

Often larger than needed for home use
Water care systems vary widely
Specs not always disclosed clearly
Longer cooldown and recovery for some models

Frequently Asked Questions

Do I need special plumbing or electrical?

No. Plug into a standard 110V outlet with GFCI protection and fill with a hose. No plumbing required.

How cold does it get?

Down to 32°F, adjustable to your comfort level.

How often do I need to change the water?

With proper maintenance, many users go longer between full water changes thanks to the sanitation system.

Can I keep this outside?

Yes. Use the insulated cover when not in use to protect from debris and improve efficiency.

What maintenance is required?

Basic filter replacement and routine wipe-downs. Occasional drain and refresh based on usage.

Can I use this if I have a health condition?

Consult your healthcare provider first, especially for cardiovascular conditions, pregnancy, or cold sensitivity concerns.

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Arki™ Pro 2.0 Cold Plunge Tub

Flexible payments and wellness savings