Modtub 2.0 Cold Plunge Tub

The Modtub 2.0 is a modern, USA made cold plunge tub designed for durability, comfort, and compatibility with external chilling systems. Featuring an upgraded ergonomic design, improved insulation, and professional grade construction, the Modtub 2.0 is built for consistent, everyday use in a compact footprint.

This listing includes the tub only and is intended for users who plan to pair the tub with a compatible chiller or use ice based cooling.

Chiller Connection Ports

The Modtub 2.0 includes two pre installed ports with female 3/4 inch NPT fittings designed for external chiller connections.

• Two 3/4 inch female NPT ports included
• Ports come pre installed with half of a union fitting
• Union must be removed to access the 3/4 inch female NPT threads
• If using ice instead of a chiller, port plugs are required and sold separately

Design and Comfort Upgrades

The Modtub 2.0 introduces several design refinements focused on usability and comfort.

• 6 inches longer for increased internal space
• Deeper tub design to reduce water displacement
• Reclined ends for a more natural seating position
• Dual drain ports for faster and easier draining

Ease of Setup

• Standard 110V power compatibility when paired with a chiller
• No plumbing required
• Simple assembly with minimal setup time

Lid and Access Improvements

• Redesigned lid mechanism that locks open without rust prone brackets
• Fully removable lid for easier access and cleaning
• Upgraded gasket and additional handle for improved sealing and insulation

Construction and Materials

• Rotomolded shell constructed from LLDPE
• 2 inch thick, foam injected insulated walls
• Built for indoor or outdoor placement
• Hidden rear access panel for cords and components

Tub Specifications

• Material: LLDPE
• Dry weight: 95 pounds
• Filled weight: approximately 850 pounds at normal water level
• Water volume: 90 gallons at normal level, 122 gallons filled to the brim
• Dimensions: see product images

What Is Included

• Modtub 2.0 cold plunge tub only

Chiller, sanitation systems, and additional components are not included with this listing.

Manufacturing and Support

• Made in the USA
• U.S. based production and quality control
• U.S. based customer support

Shipping Information

The Modtub 2.0 ships via LTL freight on a pallet from Texas.

• Carrier will contact you to schedule delivery
• Curbside delivery only
• Customer is responsible for moving the tub into place and disposing of packaging

Watch video to see it in action ↓

Return Policy

To request a return or refund, customers can use our contact form, email (support@longevitybased.com) , or phone - +1 (800) 686-5898. Once the product is inspected and confirmed to be in brand new condition, we will initiate the refund, which typically takes 7 business days to post back to the original payment method. Refunds can be applied via the customer’s preferred method, including card or bank transfer. Shipping instructions and the return address will be provided upon contacting customer service. Please include photos if the product arrives damaged. Click here to view our complete return policy for more details.

Shipping Policy

Customers may contact us by phone or email anytime to inquire about the status of their order. While we may not always have a tracking link available before the order ships, we are happy to check its current status for you. If an item is never received, please contact us immediately. We will promptly file a claim on your behalf and ship a replacement to ensure you receive your product as soon as possible. Click here to view our complete Shipping policy for more details.