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Clearlight Plunge | 1-Person Indoor/Outdoor

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Specifications

Product Overview

Type: Plunge Tub
Capacity: 1-Person

Dimensions

78" x 29.5" x 40.4"
Weight: 474 lbs (empty) — 1357 lbs (full)

Construction

Material: SUS 304 Stainless Steel + Canadian Cedar
Clearlight Plunge | 1-Person Indoor/Outdoor
Front
Back
Side
Interior
Detail

Electrical

Voltage: 120V / 10.5A

Controls & Features

Features: Self-Cleaning Ozone + Filtration — SmartLife App — Insulated Lid — Cedar Step

Warranty

2-Year

Upgrade Your Experience

Complete Your Wellness Setup

Accessories and complementary products that pair with your setup. Contact a specialist for pricing and availability.

Sanctuary 2

Sanctuary 2

Build the hot half of contrast therapy with Clearlight's most popular sauna

Learn More
Plunge Outdoor Cover

Plunge Outdoor Cover

Essential for outdoor installations — blocks weather, debris, and UV

Learn More
Replacement Filters (3-Pack)

Replacement Filters (3-Pack)

Keep plunge water clean — stock up on filter cartridges

Learn More
Amethyst PEMF Mat

Amethyst PEMF Mat

Add recovery to your plunge sessions with infrared and PEMF layering

Learn More
Sanctuary 5

Sanctuary 5

Five-person sauna built for households that plunge together

Learn More

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Harvia HUUM SaunaLife Finlandia Dundalk Finnmark
Harvia HUUM SaunaLife Finlandia Dundalk Finnmark

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*Payment options through Shop Pay Installments are subject to eligibility check and may not be available in all states. Actual terms may vary based on creditworthiness.

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⚠️ Shop Pay Installment Purchases Are Final Sale

All purchases made using Shop Pay Installments are final sale and cannot be returned or refunded.

Please ensure you've selected the right product before completing your purchase. Our team is available at (302) 273-0861 to answer any questions before you buy.

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Frequently Asked Questions

Which payment methods are accepted for installments?
For 0% interest plans (Pay in 4), both debit and credit cards are accepted. For monthly plans with interest, only debit cards are accepted.
Can international customers use Shop Pay Installments?
No — Shop Pay Installments is only available to customers with a U.S. billing address and U.S. mobile phone number.
What is the maximum order amount?
$30,000 USD including shipping, taxes, and discounts.
Are there late fees?
No late fees ever, even if you miss a payment.
What happens if I miss a payment?
No late fees. However, late or partial payments may affect your credit score or future eligibility with Affirm.
What is the return policy for Shop Pay purchases?
All Shop Pay Installment purchases are final sale and cannot be returned or refunded. Please ensure you've selected the right product before completing your purchase. Contact us at (302) 273-0861 with any questions before buying.
Rates from 0–36% APR. Payment options through Shop Pay Installments, provided by Affirm, are subject to an eligibility check and may not be available in all states. Options depend on purchase amount and a soft credit check may be conducted. No late fees. Estimated payment amount excludes taxes and shipping. Actual terms are based on your creditworthiness. See affirm.com/disclosures for details. CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lenders Law license.
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Shipping & Delivery

We offer free shipping on every order to the continental United States — including saunas, cold plunges, heaters, and accessories. Tracking is provided on every shipment.

Estimated Delivery Times

Clearlight Saunas & Cold Plunges

7–14 business days (in stock)

Clearlight Accessories & Wellness Devices

5–10 business days

Dundalk LeisureCraft Saunas

8–12 weeks (handmade to order)

Saunas, Cold Plunges & Tubs (All Other Brands)

1–8 weeks

Lumaflex Red Light Therapy

5–10 business days

Everything Else

1–2 weeks

All delivery times are estimates and may extend due to carrier delays or unforeseen circumstances. Backordered items ship when available — we confirm your ETA at time of order. Tracking is emailed as soon as your order ships.

How Freight Delivery Works

Large items (saunas, cold plunges, hot tubs) ship via LTL freight. Smaller items (heaters, accessories, wellness devices, Lumaflex, red light towers) ship via UPS, FedEx, or USPS.

1. We ship your order. Tracking is emailed to you with the estimated delivery timeline.

2. The carrier calls you. The freight company calls to schedule your delivery appointment. You pick the date and time window.

3. Curbside delivery. Delivery is to the curb via semi-truck with liftgate (when available). You'll need a plan to move it from the curb to its final location.

4. Sign and inspect. You must be present to sign. Inspect for damage before signing — note any issues on the delivery receipt.

Unloading Your Sauna

The driver delivers to the curb only. You are responsible for moving the product to its final location. Have equipment and help arranged before delivery day.

Rent a forklift — Most common choice. Requires forklift extensions. ~$150–300/day.

Hire a tilt tow truck — Flatbed tow with tilt/slide functionality. ~$200–400.

Hire a rigging/moving crew — Professional movers with equipment. Get quotes in advance.

Tilt tow service (Dundalk only) — Available for $750. Contact us to add to your order.

Clearlight saunas ship in flat panels, not pre-assembled crates. Most can be carried inside by two people without heavy equipment. Dundalk saunas ship in crates exceeding 92" and 800–1,600 lbs — liftgate service is not available for these shipments.

Damage Claims

If your order arrives damaged, we'll get you a replacement as quickly as possible.

1. Inspect packaging for visible damage before signing.

2. Note damage on the delivery receipt — write "damaged" and have the driver sign.

3. Take photos of packaging and product damage.

4. Email photos to info@thesaunarepublic.com with your order number within 24 hours.

5. We file the claim and ship your replacement.

Damage must be reported within 24 hours of delivery with photos. Claims filed after 24 hours may not be eligible for a free replacement. Always note visible damage on the delivery receipt — even if it seems minor.

Carriers & Address Info

We reserve the right to select the carrier for all shipments.

Small items (heaters, accessories, wellness devices, red light towers) — UPS or FedEx

Large items (saunas, cold plunges, hot tubs) — LTL freight carriers

Lumaflex devices — UPS, FedEx, or USPS

Once large items ship, we cannot change addresses or schedule specific delivery dates. If an item is returned due to an incorrect address, you're responsible for shipping costs both ways. If freight delivery fails because the carrier couldn't access your property, it's treated as a return per our return policy.

Remote Areas & Special Locations

Alaska, Hawaii & Puerto Rico — Contact Us Before Purchase

Free shipping does not apply to these locations (except Lumaflex — ships free nationwide). Contact us for a custom shipping quote before ordering. Orders placed without prior approval may be cancelled.

APO/FPO addresses: We ship to military addresses, subject to USPS restrictions. Additional fees may apply.

Remote/hard-to-reach areas: Additional fees may apply. We'll contact you before shipping if your location requires special arrangements.

Shipping Questions?

(302) 273-0861   ·   info@thesaunarepublic.com

Monday – Sunday, 9 AM – 5 PM EST

For any policy omission or clarification, the individual manufacturer policy applies without exception. By placing an order with Sauna Republic, you consent to our shipping and return policies.

Last updated April 18, 2026 · © Sauna Republic. All rights reserved.

Returns & Refunds

Shop Pay Installments — All Sales Final

Purchases made with Shop Pay Installments financing cannot be returned or refunded regardless of product type. Contact us at (302) 273-0861 before purchasing if you have questions.

Standard Return Policy

Applies to all products unless a brand-specific exception is listed below.

30-Day Return — Unused Items, Full Refund

Item must be unused and in original packaging.

Return must be initiated within 30 days of delivery.

Customer arranges and pays return shipping.

All returns require prior authorization from Sauna Republic.

Refund processed to original payment method within 5–7 business days.

Brand-Specific Exceptions

If your product is from one of these brands, the brand policy applies instead of the standard policy.

Clearlight Infrared

Clearlight products follow a split return policy based on product type.

All Sales Final — No Returns

All Clearlight infrared saunas (Sanctuary, Premier, and Outdoor models)

Clearlight Cold Plunge

Clearlight Curve Dome Sauna & Amethyst PEMF Mat

Halo One consumables (saline refills, cleaning capsules)

Halo One Breathe Easy Face Mask (personal hygiene item)

30-Day Return — Unused, 25% Restocking Fee

Halo One Salt Therapy Halogenerator

Aroma One Aromatherapy Diffuser

Red Light Therapy Towers (CORE, Full Body, Personal)

Vibrational Resonance Therapy (VRT)

UV Wand, Recliner Chair, Ergonomic Backrest

Conditions: unopened, unused, original packaging, like-new condition. Customer pays return shipping via prepaid freight. 25% restocking fee deducted from refund. Prior authorization required.

Defective Products

Covered by the full manufacturer warranty (Lifetime residential for saunas, varies by product).

Contact Sauna Republic — we handle the warranty claim and arrange replacement.

No restocking fee on warranty claims.

Damaged Shipments

1. Do not refuse the delivery — accept the shipment.

2. Inspect immediately with the delivery driver present.

3. Document damage on the bill of lading — note exact damage, have driver sign.

4. Take photos of packaging and product damage.

5. Contact Sauna Republic within 24 hours — email photos to info@thesaunarepublic.com.

6. We file the freight claim and arrange a replacement at no cost to you.

Concealed damage (not visible until unboxing) must be reported within 15 calendar days of receipt with proof the carrier caused the damage.

Lumaflex

30-Day Return — No Restocking Fee

Applies to all Lumaflex Red Light Therapy Devices (Body Pro Kit, Essential, Essential Pro).

Full refund with no restocking fee.

Product can be opened and used, but must be in full working condition with all original components.

Customer arranges and pays return shipping.

30 days from delivery to initiate return.

Defective units are replaced at no cost under the 2-year manufacturer warranty.

Dundalk Canadian Timber

All Sales Final — No Returns

All Dundalk products (saunas, cold plunges, accessories) are handcrafted to order in Ontario, Canada. Returns and refunds are not available. Full manufacturer warranty applies for defects.

Cancellation

Within 14 days of order — full refund, no fee.

After 14 days — $65 cancellation fee applies.

Once production begins — cannot be cancelled (typically 2+ weeks after order).

Backorder Cancellation

Orders containing backordered items are subject to a 6% cancellation fee as we are charged by our payment processor when backorders are cancelled. All lead times are estimates and subject to change.

HSA/FSA Purchases

Our standard return policy applies to all HSA/FSA purchases. Products with brand-specific exceptions follow those policies. There is no IRS requirement that HSA/FSA purchases be final sale.

HSA/FSA refunds are processed back to your original HSA/FSA card within 3–10 business days. Truemed cannot redirect refunds to a different payment method.

HSA holders: Notify your custodian to treat the original purchase as a "mistaken distribution" under IRS Notice 2004-50. Returned funds are not subject to income tax or penalties.

FSA holders: The refund goes back to your FSA plan via the original card. If your plan year has ended, the use-it-or-lose-it rule may apply. FSA holders should be especially sure of their purchase before buying.

Damage Claims

If your order arrives damaged, we will resolve it as quickly as possible.

1. Inspect packaging for visible damage before signing.

2. Note damage on delivery receipt — write "damaged" and have the driver sign.

3. Take photos of packaging and product damage.

4. Email photos to info@thesaunarepublic.com with your order number within 24 hours.

5. We handle the claim and arrange replacement.

Clearlight products: Do not refuse delivery — accept, document, and report to us. We file the freight claim and arrange replacement. Concealed damage must be reported within 15 calendar days. See Clearlight policy for full details.

Lumaflex products: Email photos within 24 hours and we arrange a replacement under the manufacturer warranty.

How to Return

Follow the steps for your product's return policy.

Standard Return (Most Products)

1. Email info@thesaunarepublic.com with your order number within 30 days of delivery.

2. We send return instructions and shipping address within 24 hours.

3. Ship the product back — unused, in original packaging. Customer pays shipping.

4. Full refund within 5–7 business days after item is received.

Clearlight — Returnable Accessories & Devices

1. Email info@thesaunarepublic.com with your order number within 30 days of delivery.

2. We confirm eligibility and send return instructions within 24 hours.

3. Ship via prepaid freight — unopened, unused, original packaging, like-new condition.

4. Refund minus 25% restocking fee within 5–7 business days after inspection.

Applies to: Halo One device, Aroma One, Red Light Towers, VRT, UV Wand, Recliner Chair, Ergonomic Backrest. All other Clearlight products are final sale.

Lumaflex Devices

1. Email info@thesaunarepublic.com with your order number within 30 days of delivery.

2. We send return instructions and return address within 24 hours.

3. Ship the product — can be opened and used, must be in full working condition with all original components. Customer pays shipping.

4. Full refund (no restocking fee) within 5–7 business days after receipt.

Fine Print

Standard return policy (30-day, unused, full refund) applies to all products unless a brand-specific exception is listed. Clearlight saunas, Cold Plunge, Curve Dome, PEMF Mat, consumables, and hygiene items are final sale. Returnable Clearlight accessories carry a 25% restocking fee. Lumaflex devices may be opened and used; no restocking fee. All Dundalk products are final sale.

All returns require prior authorization. Unauthorized returns will not be accepted. Refunds processed to original payment method within 5–7 business days. HSA/FSA refunds go back to the original HSA/FSA card within 3–10 business days.

Shop Pay Installment purchases are final sale — no returns or refunds. Backorder cancellations are subject to a 6% fee.

We may modify return terms. Purchases are honored under the terms in effect at time of purchase.

Questions About Returns?

(302) 273-0861   ·   info@thesaunarepublic.com

Monday – Sunday, 9 AM – 5 PM EST

For any policy omission or clarification, the individual manufacturer policy applies without exception. By placing an order with Sauna Republic, you consent to our shipping and return policies.

Last updated April 17, 2026 · © Sauna Republic. All rights reserved.

Resources

Features

Temperature & Performance

  • 36°F – 104°F Temperature Range — cold recovery, warm soaks, and contrast protocols in one unit
  • ~3,000W Compressor Cooling — reaches target temperatures quickly without ice
  • SmartLife App Control (iOS/Android) — set temperature, schedule sessions, and monitor remotely

Cleaning & Maintenance

  • Ozone Sanitization — chemical-free water treatment keeps water clean and safe
  • Dual Filtration (20-micron) — pleated sediment filter + mesh filter for crystal-clear water
  • IPX4 Waterproof Rating — electronics rated for splash resistance in wet environments

Design & Construction

  • SUS 304 Stainless Steel Tub — commercial-grade corrosion resistance and hygiene
  • Canadian Cedar Exterior — handcrafted wood cabinet with natural grain finish
  • Ergonomic Seated Design — natural position eliminates buoyancy issues
  • Heavy-Duty Leveling Wheels — self-locking casters for easy repositioning

Convenience

  • Plug-and-Plunge Setup — fully assembled, standard 120V outlet, no plumbing required
  • Insulated Lid Included — maintains temperature and reduces energy use when not in use
  • Fits Through Standard Doors — 29.5" width clears standard 30" doorways

What's Included?

In the Box

  • Clearlight Plunge (fully assembled)
  • Insulated lid with handle
  • Cedar step with built-in storage compartment
  • Tie-down lid fasteners
  • Dual filtration system (pre-installed)
  • Ozone generator (pre-installed)
  • Heavy-duty self-locking leveling wheels (pre-installed)
  • User manual and warranty documentation

Required for Operation

  • Standard 120V/15A electrical outlet
  • Water source (garden hose to fill)
  • Level surface capable of supporting ~1,357 lbs when full

Specifications

Performance

  • Temperature Range: 36°F – 104°F
  • Compressor Power: ~900W
  • Compressor Cooling Capacity: ~3,000W
  • Circulation Pump: ~80W
  • Max Power Input: 1,150W
  • Water Volume: ~105.7 US gallons
  • Noise Level: <60dB
  • Refrigerant: R32 (550g)

Dimensions

  • Exterior: 78" L × 29.5" W × 40.4" H
  • Tub Interior: 47.2" L × 25.6" W × 33.3" H
  • Crated: 81.5" L × 32.7" W × 46.5" H

Weight

  • Net Weight: ~474 lbs
  • Full (with water): ~1,357 lbs
  • Crated Shipping Weight: ~617 lbs

Construction

  • Tub: SUS 304 Stainless Steel
  • Cabinet: Canadian Cedar
  • Frame: Galvanized Steel
  • Waterproof Class: IPX4

Electrical

  • Power: 120V / 60Hz / 10.5A
  • Plug: Standard household outlet (NEMA 5-15)
  • Safety: Leakage protection switch cable

Filtration & Connectivity

  • Cleaning: Ozone generator + dual filtration
  • Filter: 10" × 2.5" 20-micron pleated sediment + mesh
  • App: SmartLife (iOS/Android)

Certifications

  • Warranty: 2-year residential / 2-year commercial
  • Suitable Space: Indoors & Outdoors

Description

The Clearlight Plunge is a fully self-contained plunge tub with a temperature range from 36°F to 104°F — cold recovery, warm soaks, and everything in between from a single unit. A 304 stainless steel interior sits inside a handcrafted Canadian Cedar cabinet with a self-cleaning ozone and dual filtration system that keeps the water crystal clear with minimal maintenance. Arrives fully assembled — fill with water, plug into a standard 120V outlet, and download the SmartLife app to control temperature from your phone. Built for indoor or outdoor use and backed by a 2-year warranty.

Full-Range Temperature Control — 36°F to 104°F

The Clearlight Plunge has a built-in compressor with approximately 3,000 watts of cooling capacity and a heating element that covers the full 36°F to 104°F spectrum. Use it for cold plunge recovery and inflammation reduction, warm soaks for relaxation and joint relief, or anywhere in between for contrast therapy protocols. No ice, no external chiller, no draining between sessions. The SmartLife app (iOS and Android) lets you set target temperature, schedule sessions, and monitor the tub remotely.

Self-Cleaning System — Minimal Maintenance

The integrated double cleaning system combines an ozone generator with dual filtration — a 10" x 2.5" 20-micron pleated sediment filter and a mesh filter. Ozone sanitizes the water without harsh chemicals while the filtration catches particles down to 20 microns. The result is clean, safe water with far less maintenance than setups that rely on ice, manual draining, or external filtration.

Premium Construction — Stainless Steel Meets Canadian Cedar

The tub interior is SUS 304 stainless steel — the same grade used in commercial food equipment, chosen for its corrosion resistance and durability. The exterior is handcrafted Canadian Cedar with a natural wood grain finish that looks at home in a bathroom, garage gym, patio, or poolside setup. The ergonomic seated design eliminates the buoyancy issues common in deeper tubs. At 29.5 inches wide, the unit fits through standard doorways.

Contrast Therapy — Pair with Any Clearlight Sauna

Alternating between heat and cold is one of the most studied wellness protocols. Moving from an infrared sauna session into a cold plunge promotes vasoconstriction and vasodilation, supports cardiovascular conditioning, and accelerates post-exercise recovery. If you already own or are considering a Clearlight sauna, the Plunge completes a professional-grade contrast therapy setup at home. Ask your Sauna Republic specialist about bundled sauna and plunge pricing.

Why Buy from Sauna Republic

Sauna Republic is an authorized Clearlight dealer — your purchase includes the full 2-year warranty, expert guidance from our wellness specialists on sizing, placement, and installation planning, complimentary shipping to the continental US, and financing options. We serve both homeowners and commercial clients — spas, hotels, fitness centers, and wellness studios receive dedicated project support with multi-unit pricing and commercial warranty options. We're available 7 days a week at (302) 273-0861 or info@thesaunarepublic.com.

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Safety & Certifications

EMF/ELF Safety Testing

Clearlight's True Wave far infrared heaters undergo independent third-party EMF and ELF testing. The Curve Dome measures below 0.8 milligauss at all positions — well below the 3 milligauss threshold established by international safety standards. Clearlight is the only infrared sauna company that cancels both EMF and ELF emissions. Full test data is available in the EMF/ELF Test Results — Far Infrared Heaters report and the EMF/ELF Safety Testing Overview.

Electrical Safety

The Curve Dome meets Federal Communications Commission standards for electromagnetic compatibility and safe consumer electronics operation. See the Clearlight Curve Dome FCC Certification and the Safety Certifications Overview — ETL, FCC, CE for full details.

Material Safety

The Amethyst PEMF Mat is registered with the FDA as a wellness device. Both the dome and mat are manufactured with low to no VOC materials — verified by independent lab testing in the VOC Off-Gassing Test — Safe Levels report.

Quality & Compliance

Clearlight's manufacturing facility holds ISO 9001 Quality Management Certification through 2026 and carries the Intertek GS Safety Mark for international safety compliance.

Frequently Asked Questions

What is the Clearlight Plunge?

The Clearlight Plunge is a self-contained cold therapy tub designed for cold water immersion and contrast therapy. It adjusts from 36°F to 104°F, so it handles both cold plunging and warm soaking. Built from brushed stainless steel (SS304) and Canadian Cedar, it arrives fully assembled, requires no plumbing, and plugs into a standard 120V household outlet. Fill with water, plug in, set your temperature, and plunge.

What temperature range does it support?

36°F to 104°F (2°C to 40°C). The integrated digital control panel lets you set any temperature within this range. The advanced cooling system uses a compressor with approximately 3,000 watts of cooling capacity to reach and maintain cold temperatures, while the heating system brings water up to warm therapy temperatures. You can switch between cold and warm at any time.

How is this different from an ice bath or stock tank?

The Clearlight Plunge maintains your exact set temperature automatically — no buying ice, no temperature fluctuations, no draining and refilling. The integrated ozone generator and dual filtration system keep the water clean without manual chemical dosing. The ergonomic stainless steel tub eliminates buoyancy issues with a natural seated position. And it looks like a premium piece of furniture, not a farm supply purchase.

Does it require plumbing?

No. The Clearlight Plunge is a self-contained plug-and-plunge system. Fill it with a garden hose, plug it into a dedicated 120V outlet, and it's ready to use. It includes both fill and drain valves compatible with standard hose sizes (1", ¾", and ½"). A licensed plumber can optionally install a permanent water connection if preferred.

What electrical outlet does it need?

A standard 120V / 15A household outlet. The Plunge draws a maximum of 10.5 amps (1,150 watts). Plug it into a dedicated wall receptacle — do not use an extension cord or power strip. The unit includes a built-in 30mA Residual Current Device (RCD) for electrical safety. Clearlight also recommends external RCD protection and a thermal breaker on the circuit.

How long does it take to cool down?

From ambient fill temperature to your target cold temperature, cooling time depends on your starting water temperature and target setting. The compressor delivers approximately 3,000 watts of cooling capacity. In typical conditions, expect the water to drop several degrees per hour. Once at your set temperature, the system maintains it automatically. Using the insulated lid when not in use significantly reduces cooling time and energy consumption.

How loud is it?

The Clearlight Plunge operates at under 60 decibels — roughly the volume of a normal conversation. The compressor is the primary sound source and runs intermittently to maintain temperature. When the water reaches your set temperature, the compressor cycles off and the unit is very quiet.

Can I use it indoors and outdoors?

Yes. The Clearlight Plunge is rated IPX4 for both indoor and outdoor use. For outdoor placement, position it in a shaded or covered area away from direct sunlight and rain. Maintain at least 19.7" (500mm) of clearance around ventilation areas for proper airflow. If you live in a region with freezing temperatures, follow the winterization procedures in the owner's manual to prevent damage — the unit has an antifreeze mode that activates automatically when ambient temperature drops below 32°F.

Will it fit through my door?

Yes. The Clearlight Plunge is designed to fit through standard doorways at 29.5 inches wide. The unit comes with heavy-duty self-locking and leveling wheels for easy repositioning when empty.

How much does it weigh?

The Clearlight Plunge weighs approximately 474 pounds empty and 1,357 pounds when filled with water. It holds approximately 105.7 US gallons. Make sure your floor or surface can support approximately 1,765 lbs (800 kg) including the user. The crated shipping dimensions are 81.5" L x 32.7" W x 46.5" H at 617 lbs.

What are the exact dimensions?

Exterior dimensions: 78" L x 29.5" W x 40.4" H. Interior tub dimensions: 47.2" L x 25.6" W x 33.3" H. The tub provides a natural seated position with enough depth for full shoulder immersion.

Does it come assembled?

Yes. The Clearlight Plunge arrives fully assembled. Unbox it, position it, fill with water, plug in, and set your temperature. No tools, no assembly, no plumber required. The unit includes reinforced base points for lifting with a forklift or pallet jack if needed for placement.

How does the water stay clean?

The Clearlight Plunge uses a dual-stage cleaning system: an ozone generator for chemical-free disinfection and a dual filtration system consisting of a 10" x 2.5" 20-micron pleated sediment filter plus a reusable stainless steel mesh filter. This combination keeps the water clean with minimal manual maintenance. Do not use chlorine or bromine — the ozone system provides natural sanitization. Hydrogen peroxide (H2O2) can optionally be used at 30–50 ppm for additional clarity.

How often do I need to change the water?

Every 1–3 months depending on usage frequency. Replace sooner if the water becomes cloudy, foamy, or develops an odor. Rinse the sediment filter every 2 weeks, soak it monthly in diluted hydrogen peroxide, and replace it every 1–3 months. The stainless steel mesh filter is reusable — simply rinse with clean water as needed. Rinse your body before each session to reduce contamination and extend water clarity.

Can I use Epsom salt or magnesium?

Yes, in moderation. Do not exceed 1–2 kg per full fill. Magnesium and Epsom salts are compatible with the ozone system but may contribute to mineral buildup in pumps, pipes, and filters. If using salts, rinse the filter weekly instead of biweekly, replace water more frequently, wipe down the stainless steel tub after draining to avoid salt residue, and flush the system periodically with fresh water to prevent scaling. Do not exceed 3 kg per fill.

Does it have an app?

Yes. The SmartLife app (iOS and Android) is included — no additional cost or subscription. It connects to the Plunge via your 2.4 GHz Wi-Fi network and gives you full remote control of power, temperature, and timer scheduling. You can set daily or weekly schedules so the Plunge reaches your target temperature before you're ready to use it. The app syncs in real time with the physical control panel on the unit.

How long should a cold plunge session be?

Beginners should start with 1–2 minutes and gradually increase to 3–5 minutes once per day as your body adjusts. If you plan to exceed this duration or frequency, consult a physician. If you feel faint, dizzy, or experience any unusual sensations, exit the plunge immediately. Listen to your body — cold immersion affects everyone differently.

Can I use it for contrast therapy?

Absolutely. Contrast therapy — alternating between cold immersion and heat exposure — is one of the most popular uses for the Clearlight Plunge. Pair it with any Clearlight infrared sauna for a complete contrast therapy setup. A common protocol is 15–20 minutes in the sauna followed by 2–3 minutes in the cold plunge, repeated 2–3 rounds. The Plunge's wide temperature range (36°F–104°F) supports both the cold and warm sides of contrast therapy.

What materials is it made from?

The tub interior is brushed SS304 stainless steel — marine-grade, corrosion-resistant, and easy to clean. The exterior is handcrafted Canadian Cedar for natural beauty and durability. The structural frame uses galvanized steel. The insulated lid features a water-resistant finish with a practical handle and foldable design for easy storage.

How do I maintain the cedar exterior?

Wipe with a damp, lint-free cloth or soft brush. Optionally re-stain or seal every 6–12 months using polyurethane varnish (lightly sand beforehand). Limit direct sunlight and moisture exposure to reduce cracking or warping. Natural color variation and wear in cedar is normal and not covered under warranty.

What's included with the Clearlight Plunge?

The Clearlight Plunge ships with: the fully assembled plunge tub, insulated lid, tie-down fastener straps with lockable buckles, cedar step with built-in storage compartment, digital control panel, power cord with built-in RCD, stainless steel mesh filter, pleated sediment filter, and owner's manual. Optional accessories sold separately include an outdoor cover (charcoal color) and a 3-pack of replacement water filters.

What warranty does the Clearlight Plunge come with?

The Clearlight Plunge carries a 2-year limited residential warranty covering defects in materials and workmanship under normal use. The warranty extends only to the original purchaser and is non-transferable without Clearlight's written consent. It does not cover commercial use, consumable components (filters, seals, gaskets under normal wear), damage from improper water quality, unauthorized modifications, or failure to follow the owner's manual. No product registration is required — keep your proof of purchase.

Can I use it if I have a medical condition?

The Clearlight Plunge is not a medical device. Consult a qualified healthcare provider before use if you have any underlying health conditions, including heart disease, high or low blood pressure, circulatory problems, Raynaud's disease, or any condition that may be affected by cold exposure. Do not use if you are unable to sense or respond to temperature changes. Children should not use the device without adult supervision.

Is the Clearlight Plunge eligible for HSA or FSA?

Cold plunge tubs may be eligible for HSA/FSA reimbursement with a Letter of Medical Necessity (LMN) from your healthcare provider. Eligibility depends on your specific plan and the medical justification. Contact your HSA/FSA administrator to confirm coverage before purchasing.

Does Sauna Republic offer financing?

Yes. Sauna Republic offers financing options to help you spread the cost of your Clearlight Plunge over time. Contact us for current financing terms and to see what you qualify for.

What if I have more questions?

Our sauna and wellness specialists are here to help. Call us at (302) 273-0861 or use the live chat on our website. As an authorized Clearlight dealer, we have direct access to Clearlight's product team and can answer technical questions about installation, electrical requirements, accessories, and warranty coverage.

Need help choosing the right model for your space?

Talk to a Sauna Specialist

Upgrade Your Experience

Complete Your Wellness Setup

Accessories and complementary products that pair with your setup. Contact a specialist for pricing and availability.

Sanctuary 2

Sanctuary 2

Build the hot half of contrast therapy with Clearlight's most popular sauna

Learn More
Plunge Outdoor Cover

Plunge Outdoor Cover

Essential for outdoor installations — blocks weather, debris, and UV

Learn More
Replacement Filters (3-Pack)

Replacement Filters (3-Pack)

Keep plunge water clean — stock up on filter cartridges

Learn More
Amethyst PEMF Mat

Amethyst PEMF Mat

Add recovery to your plunge sessions with infrared and PEMF layering

Learn More
Sanctuary 5

Sanctuary 5

Five-person sauna built for households that plunge together

Learn More
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clearlight-plunge-filter-3-pack | Replacement Filters (3-Pack) | Keep plunge water clean — stock up on filter cartridges | 
clearlight-amethyst-infrared-pemf-mat | Amethyst PEMF Mat | Add recovery to your plunge sessions with infrared and PEMF layering | 
clearlight-sanctuary-5-full-spectrum-infrared-sauna | Sanctuary 5 | Five-person sauna built for households that plunge together |
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