Oibath GRAT Inflatable Cold Plunge Tub 88 Gallon — Full‑Body Recovery, Five‑Layer Insulation

The Oibath GRAT 88 Gallon Cold Plunge Tub is a large, inflatable ice bath designed for full-body immersion, easy setup, and year‑round home recovery and relaxation.

Compact enough to store when not in use yet roomy enough for adults to submerge up to chest level, this 88‑gallon inflatable tub blends portable convenience with thoughtful features like five‑layer insulation, a fitted lid, and a side drain. It works as a standalone cold plunge or pairs with compatible chillers and heat pumps to deliver flexible temperature routines for post‑workout cooldowns or daily wellness sessions.

What makes the GRAT 88‑gallon tub suitable for home cold plunges?

The tub’s capacity and full‑body design let most adults comfortably immerse themselves for cold therapy and recovery routines. Durable, waterproof materials and reinforced seams keep the structure stable while the included lid helps maintain water quality and temperature.

• 88‑gallon capacity for full‑body immersion
• Five‑layer insulated walls to slow temperature loss
• Reinforced seams and heavy‑duty PVC construction for longevity
• Fitted lid reduces debris and heat exchange

How easy is it to set up, move, and store the inflatable tub?

Designed for portability, the GRAT inflates quickly with most air pumps and deflates to a compact size for transport or storage. Its lightweight construction makes it suitable for indoor and outdoor use, including patios, bathrooms, and garage gyms.

• Fast inflation and deflation for quick setup
• Lightweight foldable design for compact storage
• Suitable for indoor/outdoor placement and travel
• Simple cleaning and maintenance when drained

Can I drain, heat, or chill the tub water easily?

The tub includes a built‑in side drain that speeds emptying and simplifies regular water changes. For temperature control, the tub works with most aftermarket water chillers and heat pumps (conversion kit sold separately), enabling cold plunges or warm soaks depending on your routine.

• Integrated side drain for fast and convenient water removal
• Compatible with chillers and heat pumps for temperature control
• Conversion kit available separately for chiller attachment
• Lid helps retain temperature between sessions

How durable and low‑maintenance is the Oibath GRAT tub?

Constructed from multi‑layer, waterproof materials and reinforced stitching, the tub is built for repeated use while minimizing leaks and wear. Routine maintenance is straightforward: drain, rinse, and dry; the cover reduces debris, cutting cleaning intervals.

• Five layers of insulated material for durability and thermal performance
• Reinforced seams to resist punctures and stretching
• Cover lid reduces cleaning and protects water quality
• Customer support available for setup and troubleshooting

Who is this for: The Oibath GRAT 88 Gallon Cold Plunge Tub suits athletes, fitness enthusiasts, and anyone building a home wellness routine who wants a full‑size immersion experience without permanent installation. It's a good option for people who need portability and easy storage, and for households that may pair the tub with chillers or heat pumps for customizable hot and cold therapy. If you’re looking for a durable, easy‑to‑setup inflatable ice bath with practical features like a side drain and insulated lid, this model provides a flexible foundation for regular recovery or relaxation sessions.