{"product_id":"portaplunge-cube-single-cold-plunge-pool-portasauna","title":"PortaPlunge CUBE | Single Cold Plunge Pool | PortaSauna","description":"\u003ch2\u003ePortaPlunge CUBE | Single Cold Plunge Pool\u003c\/h2\u003e\n\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003eIt 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.\u003c\/p\u003e\n\n\u003cp\u003eDrop-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.\u003c\/p\u003e\n\n\u003ch3\u003eConstruction and durability\u003c\/h3\u003e\n\u003cp\u003ePremium 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.\u003c\/p\u003e\n\n\u003ch3\u003eUse case and protocol\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003ch3\u003eOwnership and storage\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; site preparation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard delivery:\u003c\/strong\u003e Free standard delivery is included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e Inflate, position, then fill from a garden hose. No electrical installation required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFloor loading:\u003c\/strong\u003e Once filled, PVC plunge pools carry significant water weight — confirm the placement surface (patio, decking, lawn, indoor floor) can support the load before filling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrainage:\u003c\/strong\u003e Drain via the integrated drain valve and hose connection; site near a suitable drain point or open ground.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Outdoor or covered indoor placement. Check floor loading and surface protection before any indoor use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch3\u003eTechnical specification\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 1 person\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Drop-stitched, heat-sealed PVC walls\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFill:\u003c\/strong\u003e Manual — garden hose\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Ambient or ice-cooled (no built-in chiller)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrainage:\u003c\/strong\u003e Integrated drain valve \/ hose connection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Outdoor; covered indoor placement with floor protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Deflates and packs down for storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"background:#eef4f9;border-left:4px solid #2d5a8a;padding:18px 22px;margin:32px 0 0 0;border-radius:4px;\"\u003e\n\u003cp style=\"margin:0 0 8px 0;font-weight:bold;font-size:1.1em;color:#1e3d5a;\"\u003e💡 Pairing cold with heat? Plan the full protocol.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eCold plunges work hardest as part of a contrast therapy routine. See our \u003ca href=\"https:\/\/www.steamandoak.co.uk\/blogs\/news\/uk-sauna-buying-guide\" style=\"color:#2d5a8a;font-weight:bold;text-decoration:underline;\"\u003eUK Sauna Buying Guide →\u003c\/a\u003e 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).\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PortaSauna","offers":[{"title":"Default Title","offer_id":57666747662723,"sku":null,"price":395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/1187\/1619\/files\/PortaPlunge-ColdPlungeTub4.jpg?v=1776016812","url":"https:\/\/www.steamandoak.co.uk\/products\/portaplunge-cube-single-cold-plunge-pool-portasauna","provider":"Steam\u0026Oak","version":"1.0","type":"link"}