unmatched insulation.

Step into a world of unmatched insulation with Frostbite—a revolutionary patented technology (US Patent No. 63/573,068 and No. 29/935,503) with double the insulation foam of competitors, engineered for excellence. Keep your water freezing cold for longer, without moving a muscle.

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premium build.

AlphaTank is all about crafting an experience that not only supports your recovery exercises but also motivates you to make it a daily habit. Our patented 4-layer Frostbite technology (U.S. Patent No. 29/935,503 & U.S. Patent No. 63/573,068) plays a crucial role in this by keeping your water colder for longer.

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cold steel.

Precision meets strength with durable steel legs. Engineered to support over 110 gallons of water, these legs feature adjustable ends to adapt to uneven surfaces in your balcony or garden.

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clean. filtered.

Plunge in clean water every time thanks to Poseidon's advanced two-stage filtration system and natural ozone sanitation. Our replaceable water filters ensure a consistently clean environment for cold plunges.

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cold. every time.

AlphaTank Poseidon features a powerful 1HP compressor and is able to maintain up to 150 gallons of water at temperatures as low as 37°F.

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