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Modtub

Modtub 2.0 Cold Plunge Tub

$2,100.00

A rotomolded LLDPE tub with 2-inch foam walls and an insulated cover. It holds about 90 gallons at the normal fill level and has two 3/4-inch NPT ports for a chiller, or plugs for ice.

  • Capacity
    About 90 gallons, 122 to the brim
  • Weight
    95 lb empty, about 850 lb at 90 gallons
  • Ports
    Two female 3/4-inch NPT
  • Walls
    2-inch foam, LLDPE shell
Color

Flexible Financing Options

Monthly financing: from $189.54/mo est. 15% APR, 12 months with Shop Pay Installments

Plan Monthly Interest Total paid
  1. Add this product to your cart.
  2. At checkout, choose Shop Pay Installments as the payment method.
  3. Pick your plan: 4 interest-free payments or monthly financing up to 12 months.

Shop Pay Installments is provided by Shopify in partnership with Affirm, for US orders from $35 to $30,000. The estimate assumes 15% APR over 12 months; rates range from 0 to 36% APR. Subject to an eligibility check; your actual rate and plans are shown at checkout. Prices exclude tax and shipping.

Tax free (except CA)
30 day returns
Free USA shipping
1-year manufacturer warranty

The Modtub 2.0 is a rotomolded LLDPE tub with 2-inch foam walls, an insulated cover and two 3/4-inch NPT ports. It holds about 90 gallons at the normal fill level and is sold without a chiller.

  • Material: LLDPE rotomolded
  • Insulation: 2-inch foam walls and an insulated cover
  • Capacity: About 90 gallons at the normal fill level, about 122 gallons to the brim
  • Weight: 95 lb empty, about 850 lb filled to the normal level
  • Chiller ports: Two pre-installed female 3/4-inch NPT ports
  • Colors: Grey, Black, Slate Blue, Green
  • Setup: Ready to fill, no inflation or assembly
  • Modtub 2.0 tub
  • Insulated cover
  • Prepare the ports: For ice, install plugs in the two ports. For a chiller, remove the half union on each port to reach the 3/4-inch female NPT threads.
  • Fill the tub: Fill to just above the bulkhead for about 90 gallons.
  • Add ice or connect a chiller: Add ice, or connect a compatible chiller to the ports.
  • LLDPE rotomolded body, the material used in commercial kayaks
  • 2-inch foam walls plus an insulated cover
  • About 90 gallons at the normal fill level
  • Two female 3/4-inch NPT ports for a chiller

1-Year Manufacturer Warranty

This product includes a 1-year limited manufacturer warranty covering defects in materials and workmanship under normal residential use. It begins on the date of delivery and applies to the original purchaser.

For shipping timelines and delivery details, please review our Shipping Policy.

If you have any questions before or after your purchase, call us at +1 (800) 686-5898.

30 Day Hassle-Free Returns

While we stand behind every product we offer, we understand that sometimes things don't work out as expected. For that reason, most eligible products may be returned within 30 days of delivery. If you decide the product isn't the right fit, simply reach out to our team and we'll guide you through the process.

To get started, you can review our Refund Policy or contact our support team directly. We're here to make the process as smooth as possible.

How Returns Work

The return process is straightforward. Once approved, you'll receive return instructions and the correct return address. Items must be sent back in their original condition and packaging to ensure proper processing.

Important Return Information

Returns must be requested within 30 days of delivery. Items should be returned in original packaging and in unused condition. Depending on the product and manufacturer, return shipping costs, processing fees, or restocking fees may apply. Financing-related fees are non-refundable, and refunds are issued to the original payment method once the return is received and inspected.

Availability:
Out of Stock
Slate blue Modtub 2.0 cold plunge tub with its molded lid open.

Why the Modtub 2.0

A 95 lb rotomolded tub that ships ready to fill, with ports for a chiller or plugs for ice.
LLDPE rotomolded body, the material used in commercial kayaks
2-inch foam walls plus an insulated cover
About 90 gallons at the normal fill level
Two female 3/4-inch NPT ports for a chiller
Close detail of the slate blue Modtub 2.0 molded body, ribs and embossed logo.

LLDPE rotomolded body

The same material used in commercial kayaks and industrial tanks.
Close detail of the molded Modtub 2.0 lid and black perimeter gasket.

2-inch foam walls

Foam-insulated walls and an insulated cover slow temperature loss between sessions.
Illustrative interior view of the Modtub 2.0 basin filled with clear water.

90-gallon capacity

About 90 gallons at the normal fill level, just above the bulkhead, and about 122 gallons to the brim.
Product illustration of the two vertically arranged water ports on the Modtub 2.0 end wall.

Dual 3/4-inch NPT ports

Two pre-installed female ports connect a chiller without custom fittings. Install plugs to use ice instead.
Black Modtub 2.0 tub standing empty with its lid open in a dry utility room.

No inflation or assembly

The tub arrives ready to fill. Standard 110V power is needed only when you add a chiller.
Close detail of the slate blue Modtub 2.0 molded body, ribs and embossed logo.

95 lb Empty Weight

The tub weighs 95 lb empty and about 850 lb filled at 90 gallons.

How to use the Modtub 2.0

Modtub 2.0 Cold Plunge Tub – view 11

1 - Prepare the ports

For ice, install plugs in the two ports. For a chiller, remove the half union on each port to reach the 3/4-inch female NPT threads.
Illustrative detail of ice floating in water inside the blue Modtub 2.0 basin.

2 - Fill the tub

Fill to just above the bulkhead for about 90 gallons.
Man sitting in the water of the Modtub cold plunge tub with its lid open behind him.

3 - Add ice or connect a chiller

Add ice, or connect a compatible chiller to the ports.

Specifications and details

Specifications

Specifications
Build
MaterialLLDPE rotomolded
Insulation2-inch foam walls and an insulated cover
Chiller portsTwo pre-installed female 3/4-inch NPT ports
Capacity and weight
CapacityAbout 90 gallons at the normal fill level
Capacity to the brimAbout 122 gallons
Empty weight95 lb
Filled weightAbout 850 lb at 90 gallons
Options
ColorsGrey, Black, Slate Blue, Green
Sold asTub only, chiller sold separately

What's in the box

What's in the box
Modtub 2.0 tub
Insulated cover

Ice and water guide

Fill the tub to just above the bulkhead, then cool the water with ice or a chiller on the two NPT ports.

Ice and water guide
Water levelJust above the bulkhead, about 90 gallons
Using iceInstall plugs in both ports first, plugs sold separately
Using a chillerRemove the half union on each port, then connect to the 3/4-inch female NPT threads

Power and site requirements

Power and site requirements
PlumbingNone required
InstallationNo professional installation
PowerStandard 110V outlet when paired with a chiller

Which size is right for you

The tub holds about 90 gallons at the normal fill level, just above the bulkhead, and about 122 gallons to the brim.

Which size is right for you
Normal fill levelAbout 90 gallons
Filled to the brimAbout 122 gallons
Filled weightAbout 850 lb at 90 gallons

Delivery and setup

Delivery and setup
ShippingLTL freight on a pallet
DeliveryCurbside, the carrier contacts you to schedule
PlacementYou move the tub into place and dispose of the packaging

Warranty

Warranty
Term1 year limited manufacturer warranty
CoversDefects in materials and workmanship under normal residential use
Applies toOriginal purchaser, from the date of delivery
Not coveredMisuse, improper installation, incompatible accessories, freezing damage, cosmetic wear and skipped maintenance

FAQs

How much does the tub hold?
About 90 gallons at the normal fill level, just above the bulkhead, and about 122 gallons filled to the brim.
Does it come with a chiller?
No. This is the tub only. Chillers and other components are sold separately.
Can I use ice instead of a chiller?
Yes. Install plugs in the two ports to prevent leaks. Plugs are sold separately.
How do I connect a chiller?
The two ports have female 3/4-inch NPT fittings. They ship with half of a union installed, which you remove to reach the threads.
How much does it weigh?
About 95 lb empty and about 850 lb filled with 90 gallons of water.
Is professional installation needed?
No. There is no plumbing to do. With a chiller, standard 110V power is used.
How is it delivered?
By LTL freight on a pallet with curbside delivery. The carrier contacts you to schedule. You move the tub into place and dispose of the packaging.
What is it made of?
LLDPE rotomolded plastic with 2-inch foam walls.
Where can I find longevity devices similar to the Modtub 2.0?