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Kaldera Cold Therapy Plunge 80

Inflatable or portable tub by Kaldera Cold Therapy. UK price £69. Not tested by us

Kaldera Cold Therapy Plunge 80, inflatable or portable tub
Image: Kaldera Cold Therapy

Specifications

Type
Inflatable or portable tub
Capacity
80 L
Includes chiller
No
Material
Foldable PVC
Insulation
Not stated
Dimensions
Not stated
Weight (empty)
Not stated
Voltage
Not stated
Filtration
Not stated
Outdoor use
Not stated
App control
Not stated
Warranty
Not stated
Ships to UK
Yes

Price and where to buy

£69
UK retail price at last check, .

Check price at Kaldera Cold Therapy

Our take

The Kaldera Cold Therapy Plunge 80 is an inflatable or portable tub sold in the UK at £69.

Key specifications: 80 litre capacity, Foldable PVC construction, no chiller included.

We have not tested this unit ourselves; the take below is built from the maker's specifications, the UK price and what owners report.

What to buy with it

  • This is a tub only, so from May to September it means buying ice or adding a chiller. Kaldera Cold Therapy's own chiller is the Chill Core 300 (£599); check with Kaldera Cold Therapy that it suits this tub before you order. Kaldera Cold Therapy Chill Core 300
  • Kaldera Cold Therapy lists no filtration for this tub, so keeping the water clean between changes is down to you. Bio Ouster 3-in-1 weekly cold plunge treatment (£48.86 at Amazon UK, 4.5 stars from 543 ratings)
  • A pod standing straight on paving is the usual way a base gets worn through. A foam floor protector underneath prevents it. Lay-Z-Spa 10-piece floor protector (£35.04 at Amazon UK, 4.4 stars from 6,666 ratings)

Lids, filters, water care and what not to buy: our cold plunge accessories guide.

Compare with alternatives

Notes from the manufacturer page: Compact 80 L foldable tub with a 70 cm footprint; a first ice bath rather than full immersion. Specifications verified 2026-09-23.

Cold water immersion places real stress on the heart and circulation. Anyone with a cardiovascular condition, high blood pressure, a history of arrhythmia, or who is pregnant should speak to a doctor before using a cold plunge. Never plunge alone. Start with short sessions at mild temperatures and progress gradually. Read the full safety guide.

Some links on this page are affiliate links. If you buy through them we may earn a commission from Kaldera Cold Therapy at no extra cost to you. Commission does not decide verdicts; see our affiliate disclosure.