Cold plunge · score 8.1 out of 10
Lumi Therapy PRO DUO Ice Bath
£1,048 from Lumi Therapy. Chiller included, down to 2°C.
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Photo: Lumi Therapy
£1,048 at Lumi Therapy
Not sold by our partner retailers, so we don't link to it. Similar products that are: see below.
That price is for the With Mini 2 (to 2°C) version. 2 versions, £499 to £1,048: see them all.
- ChillerChiller included
- Lowest2°C
- Litres500
- Running a year£187
- Total over 5 years£1,985
The short answer
Ranked 5 of 31 cold plunges on our score.
Good for: Daily plungers who want cold water on tap, with no ice to buy.
Watch out for: The adds about £187 a year of electricity.
- ChillerChiller included
- Lowest temperature2°C
- Litres500
- TypeRigid tub
- PowerNot published
- WarrantyNot published
Similar, in stock from our partners
Highest scores of the same type and size you can buy now. Score order only.
Questions people ask before buying this one
How cold does it get?
Down to 2°C with the , and you choose the temperature.
Do I need to buy ice?
No. The keeps the water cold.
Where can it go?
It holds 500 litres, so it weighs about 500 kg full, plus you. Put it on a patio, a garage floor or decking rated for the weight.
What will it cost to run?
About £187 a year at our assumption of 3 hours a day. The calculator below lets you change it.
How do I keep the water clean?
The seller doesn't say what filtration it has. Keep the lid on and shower first. Water care.
Is it safe?
If you have a heart or blood-pressure condition, or are pregnant, ask your GP before cold plunging. Never plunge alone, and keep the lid on around children.
What it costs to run
| Price | £1,048 |
|---|---|
| Running, a year | £187 |
| Total over 5 years | £1,985 |
The 's power is not published, so we assume 650 W. We assume the chiller runs 3 hours a day once the water is cold (our estimate).
Change the numbers
Versions and prices
Every price here is the price Lumi Therapy lists for that exact version, read from the seller's own product data. Prices change often; check the seller before buying.
| Version | Price | Total over 5 years | Score | |
|---|---|---|---|---|
| Tub only | £499 | £499 | 6.0 | |
| With Mini Chiller 2 (to 2°C) | £1,048 (seller's | £1,985 | 8.1 |
The detail
Specifications
From the seller's pages. "Not published" means we couldn't find it.
| Type | Rigid tub |
|---|---|
| Chiller | included: Mini Chiller 2 |
| Lowest temperature | 2°C |
| Also heats to | — |
| Chiller power | not published |
| Capacity | 500 litres |
| Size | not published |
| Filtration | not published |
| Insulation | 8 cm walls and lid |
| Outdoor use | not stated |
| Warranty | not published |
How it scores
| Gets cold without ice (30%) | 10.0 |
|---|---|
| Price (25%) | 8.3 |
| Easy to live with (13 A plug, filter, insulated) (20%) | 6.4 |
| Warranty (15%) | 5.8 |
| Build (rigid beats inflatable) (10%) | 8.8 |
| Score out of 10 | 8.1 |
How we score. Scored against products with the same set-up.