9 DIY & Budget Ice Bath Ideas for Cold Plunging at Home
You don't need a top-tier chiller tub to start cold plunging. The difference between a premium tub and a livestock trough full of ice is not the water — it is convenience, temperature control, filtration, insulation and maintenance. A budget setup means setting the temperature by hand with ice instead of dialling it in and holding it, no filtration loop, whatever insulation the container came with, and a maintenance routine built around hauling ice and changing water rather than servicing a filter. Below are nine setups people commonly use — eight of them budget builds, plus one we recommend against — with honest pros, cons and estimated cost ranges so you can pick the one that fits your space and budget.
About the cost figures on this page. Every dollar figure below is a typical estimated range, not a live price. Ranges were checked in July 2026 against publicly listed prices at general retailers and farm-supply stores in the United States, taking the common low and high ends rather than an average. Prices vary by size, region, retailer and season, and second-hand items vary far more than that. Where a box links to Amazon we show a price category instead of a range, because we have no approved tool for live Amazon prices — always check the price on the retailer's own page. Not independently confirmed by PlungeWise.
1. Galvanized stock tank — the classic
Galvanized stock tank Budget
A livestock watering trough is the most common DIY plunge: it is cheap, it holds a lot of water, and it is built to sit outdoors year-round in a field. A 100–150 gallon tank is the usual size people pick. The construction is single-wall galvanized steel with no insulation layer, so ice will melt faster than in an insulated tub — we have not measured by how much. A foam or pool-noodle lid is the standard fix. The other trade-off is the look: it looks like a farm trough, because it is one.
Pros
- One of the cheapest full-size volumes available
- Built for permanent outdoor use
- Easy to add a chiller later
Cons
- Uninsulated single-wall metal — expect heavy ice use
- Ice consumption not measured by PlungeWise
- Industrial appearance
2. Inflatable barrel tub
Inflatable barrel tub (e.g. The Cold Pod) Budget
Purpose-made inflatable tubs pack away when not in use and need no tools to set up, which makes them the easiest way to test whether cold plunging is for you before spending more. Manufacturers describe the walls as insulated, and a lid is usually included; we have not measured how that compares with a bare trough in practice.
Pros
- Low cost, no tools, no build
- Packs away; portable
- Manufacturer describes the walls as insulated; lid included
Cons
- No temperature control (ice only)
- Inflatable walls — expect a shorter service life than metal
- Insulation performance not measured by PlungeWise
3. Large plastic tote or storage bin
Heavy-duty tote / storage bin Budget
A 50–100 gallon heavy-duty storage tote is the cheapest "tub-shaped" option. Water is heavy — roughly 8.3 lbs per gallon — so a thin-walled bin can bow or split under the pressure of a full fill. Choose a rugged one, don't overfill, and treat this as a short-term way to try the habit rather than a permanent setup. Totes are also shorter and narrower than a purpose-built tub, so check the internal dimensions against your own height before buying.
Pros
- Cheapest tub-shaped option; available anywhere
- Light and easy to empty
Cons
- Can flex or crack if the walls are thin
- Small internal dimensions — check them against your height
4. Repurposed bathtub (indoor or outdoor)
Old / freestanding bathtub Typical estimated range: free–$300
If you already have a bathtub — or can find a used freestanding one — it's a ready-made plunge. Indoors you just fill and ice it; outdoors, a salvaged clawfoot tub makes a surprisingly nice garden plunge. Drainage and moving the tub are the main hassles.
Pros
- May cost nothing if you already have one
- Comfortable, familiar shape
- Looks good outdoors
Cons
- Heavy and awkward to move
- Needs a drainage plan
5. IBC tote, cut down
Food-grade IBC tote (cut to size) Typical estimated range: ~$80–$200
A common DIY route: buy a food-grade IBC tote (the ~275-gallon cube in a metal cage), cut the top down to seat height, and you have a rigid, deep plunge with a built-in frame. Use a genuinely food-grade tote and clean it thoroughly first — you don't know what a used one previously held.
Pros
- Deep and rigid with a built-in cage frame
- Cheap for the size
Cons
- Requires cutting and cleanup
- Only buy food-grade; verify prior contents
6. Chest-freezer conversion — not recommended
PlungeWise does not recommend chest-freezer conversions. This is the most-shared DIY cooling build on the internet, and it is the one entry on this page we advise against rather than present as an option.
A chest freezer is an appliance that was never designed to be filled with water, sealed by hand, left outdoors, and climbed into. The conversion places standing water and mains electricity in direct proximity, which is a genuine electric-shock hazard. It typically voids the appliance warranty, and hand-applied seals are a common failure point — including mould in seams that cannot be reached for cleaning.
We have not built, measured or inspected one, and we do not publish a component list, a cost estimate, a build sequence or safety instructions for it. If cooling without ice is what you want, a purpose-built tub or a standalone chiller added to a stock tank is what we would point you to instead.
Compare ice vs a proper chiller →7. Stock tank + add a chiller later
Trough now, chiller upgrade later Staged
A sensible middle path: start with a cheap stock tank and ice, prove you'll stick with the habit, then add a standalone chiller and a simple pump loop to reach a no-ice setup. Whether the total lands below a premium all-in-one depends on which chiller you buy — run your own numbers in our calculator rather than taking our word for it.
Pros
- Low starting cost, clear upgrade path
- You only spend on the chiller if the habit sticks
Cons
- Two-step project
- Chiller adds electrical setup
8. Insulated trough wrap
Any tub + insulation wrap Typical estimated range: +$20–$60
Not a tub itself, but the cheapest upgrade to any of the above: wrap the outside with foam board, a camping mat, or a pool cover, and add a floating lid. Adding insulation slows heat transfer into the water, so the ice should last longer and your ongoing ice spend should fall. We have not run a controlled ice-melt test, so we won't put a number on it — measuring exactly this is on our list for a future update.
Pros
- Cheap upgrade aimed at the biggest ongoing cost
- Works on almost any tub
Cons
- Adds bulk / a less sleek look
9. Kiddie pool — ultra-budget, short-term
Rigid kiddie / paddling pool Budget
The cheapest entry point there is. A rigid-sided kiddie pool holds enough water to submerge to the waist, or in a bigger one most of the body. It has no insulation layer and thin walls, so treat it as a way to find out whether you like cold water at all — not as a setup you keep. It also looks like exactly what it is.
Pros
- Cheapest possible way to try it
- Easy to store and empty
Cons
- No insulation layer; thin walls
- Shallow — hard to get your shoulders under
Which DIY option should you pick?
If you just want to try cold plunging this week, start with a kiddie pool, a tote, or an inflatable tub — all three are cheap enough that abandoning the habit costs you little. If you already know you'll keep going, a stock tank is the option we'd pick: it's built for permanent outdoor use and it leaves the door open to add a chiller later. That's an editorial judgement about the trade-offs, not the result of a test we ran. We do not recommend the chest-freezer conversion at all — see section 6 for why.