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Price: 395.00 GBP
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PortaPlunge SOLO Single Cold Plunge Pool - PortaSauna
PortaPlunge TWIN 2 Person Cold Plunge Pool - PortaSauna
PortaPlunge CUBE | Single Cold Plunge Pool | PortaSauna
PortaPlunge CUBE | Single Cold Plunge Pool The PortaPlunge CUBE is the entry point into cold-water therapy without committing to a permanent installation. Single-person inflatable cold plunge pool in drop-stitch, heat-sealed PVC — strong enough for consistent daily use, light enough to deflate and pack away, and priced as a starter rather than a flagship. It is the right pool for buyers who want to test cold immersion as a routine before committing to a chiller-equipped tub, for renters who cannot install permanent kit, and as a contrast-therapy companion to a PortaSauna HEX or HEXXL. Drop-stitch construction is the meaningful technical detail here. Two PVC layers are bonded by tens of thousands of internal threads of consistent length, then inflated under pressure — the result is a wall that holds rigid shape under load rather than flexing like a paddling pool. Heat-sealed seams (no glue) keep the panels watertight under sustained pressure cycles. This is the same construction principle as a quality SUP board, scaled to a tub geometry. Construction and durability Premium drop-stitched, heat-sealed PVC walls hold structured shape once inflated, giving the tub a more stable feel than basic inflatable plunge pools. The single-person cabin geometry is sized for focused daily use rather than shared sessions — narrower footprint, faster fill, less water to chill if you are using ice. Use case and protocol The CUBE is built around a simple operational pattern: inflate, position, fill from a garden hose, add ice if cooling below ambient, plunge. No electrical install, no permanent hardware. For daily sub-15°C protocols, water can be cooled with ice or pre-frozen ice packs; the insulated wall slows the rewarming process meaningfully compared to a hard-shell tub of similar size. For contrast cycles, the CUBE pairs naturally with a PortaSauna HEX in a sauna-then-plunge routine. Ownership and storage The advantage of an inflatable platform is reversibility — when you are not running cold therapy actively, the CUBE deflates and stores in roughly the volume of a large rucksack. That makes it practical for buyers in flats, retreat properties used seasonally, or households where a permanent installation is not yet justified by the actual frequency of use. Drain via the integrated drain valve into a garden or drain point. Delivery & site preparation Standard delivery: Free standard delivery is included. Setup: Inflate, position, then fill from a garden hose. No electrical installation required. Floor loading: Once filled, PVC plunge pools carry significant water weight — confirm the placement surface (patio, decking, lawn, indoor floor) can support the load before filling. Drainage: Drain via the integrated drain valve and hose connection; site near a suitable drain point or open ground. Use: Outdoor or covered indoor placement. Check floor loading and surface protection before any indoor use. Technical specification Capacity: 1 person Construction: Drop-stitched, heat-sealed PVC walls Fill: Manual — garden hose Cooling: Ambient or ice-cooled (no built-in chiller) Drainage: Integrated drain valve / hose connection Use: Outdoor; covered indoor placement with floor protection Storage: Deflates and packs down for storage Pairing cold with heat? Plan the full protocol. Cold plunges work hardest as part of a contrast therapy routine. See our UK Sauna Buying Guide → for how to pair sauna and cold plunge sessions, indoor vs outdoor setup, and what actually fits a UK household. Written by founder Sarb Gill (BSc Biology).
Product information updated: 05 Nov 2026
Disclaimer: Product information, including title, description, and images, is sourced/provided by our affiliate partner: Steam & Oak.
Disclaimer: Some of the links on this website are affiliate links, meaning we may earn a commission if you click through and make a purchase. This comes at no additional cost to you.
By clicking the button above, you acknowledge that you will be redirected to a third-party website and agree to their terms and conditions.
Product information, including title, description, and images, is sourced/provided by our affiliate partner: Steam & Oak.
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