Why start with a portable ice bath?
A portable tub is the sensible first purchase because it lets you test cold immersion for the price of a weekend away rather than a four-figure commitment. There is no groundwork, no plumbing and no fixed electrics: you set it on level ground, fill it with cold water, add ice and get in. If cold immersion turns out not to suit you, you have risked very little.
If it becomes a habit, you can step up to a fixed cold plunge or add an ice bath chiller to hold the temperature for you, so a chiller-ready tub bought now is not money wasted. A portable ice bath is also the cold half of contrast therapy, the natural first purchase alongside a barrel or infrared sauna. For how to fill, dose and keep one clean, see our guide on how to take an ice bath. This page is about choosing the tub itself.
The types of portable ice bath
There are three broad types, and the differences come down to how well they hold the cold and how sturdy they feel.
Inflatable and drop-stitch tubs are the core portable ice bath: reinforced PVC or TPU walls that become rigid once inflated. The best use drop-stitch fabric for firm, straight sides. They are the cheapest, pack down smallest and set up in minutes. The trade-offs are puncture risk and, on cheap single-skin versions, cold that fades fast.
Framed tubs are a liner held in a galvanised-steel or plastic frame. They tend to be more stable and taller-sided than a pure inflatable, which gives a deeper, more comfortable sit.
Rigid barrel and tub styles are hard-sided containers. They are sturdier and often better insulated, edging towards the fixed cold-plunge category in both feel and price.
A DIY route, a stock tank, wheelie bin or chest-freezer conversion, is the cheapest of all, but it carries hygiene and, for freezer builds, electrical-safety caveats, so it is not the focus here.
What makes a good portable ice bath
Capacity and fit matter most. Portable tubs typically hold 250 to 450L. The number that counts is the internal seated depth against your torso, and fit is often the weak point on compact models, so taller buyers should check the tub is rated for their height (some state up to around 2m).
Insulation is the headline spec. A basic single-skin tub loses cold quickly; better portables use three to five thermal layers, or a thick drop-stitch wall, to slow the warming. Insulation does not chill the water, though, so a portable still relies on added ice.
A lid and cover do two jobs: keep debris out and hold the temperature between dips. They are near standard on better tubs and worth having.
Drainage and hygiene come down to a drain valve or tap and how you keep the water clean. Most basic tubs do not filter, so without a pump you change or treat the water regularly.
Material thickness and portability decide how long the tub lasts and how easily it packs away, and crucially, chiller-compatibility decides whether it can grow with you. If you may add a chiller later, buy a chiller-ready tub now.
What a portable ice bath costs in the UK
A usable portable ice bath starts in the low tens of pounds. As a guide, basic insulated tubs run about £40 to £150, and premium drop-stitch or chiller-ready portables run about £250 to £400. The wider market spans roughly £50 for a simple inflatable to about £1,000 for a barrel-style tub, with solid fixed plunges above that again.
The running cost of a plain portable is close to nothing: it uses no electricity, so the only ongoing cost is ice (bagged ice or refrozen water bottles) plus water changes. Cheap to buy and cheap to run, but manual to keep cold. An electricity bill only appears if you add a chiller later, which we cover on the ice bath chiller page.
Guide prices, correct as of July 2026. These are typical UK costs, not live prices, and portable-tub prices move often, so check the current price before you buy.