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Product overview


Product Specs:

Product Specs

  • Style: Modern/Contemporary
  • Color Family: White, Biscuit, Almond
  • Therapy Type: Soaker
  • Installation Type: Free Standing
  • Material: Solid Surface
  • Tub Shape: Oval
  • Length: 58 in
  • Width: 30 in
  • Height: 24 in
  • Drain Placement: Reversible
  • Water Capacity: 75 gallons
  • Inside Width: 22 in
  • Operational Water Depth: 18 1/2 in
  • UL Listed: Yes
  • Made In: USA
  • Warranty: 10 Year Limited Warranty


L 58" x W 30" x H 24"

About Hydro Systems OBS5830STO Ston Obsidian 58" Hydroluxe Solid Surface Freestanding Oval Bathtub

Obsidian is a striking noir volcanic glass that ancient human civilizations chiseled to use as tools, weapons, and ornaments. Hydro Systems references that harmony of function and aesthetic through the thoughtful design of the Obsidian bathtub. The sloped backrest channels ergonomic comfort, while the rim draws the contours and makes for an arresting silhouette. As lustrous as a perfectly tumbled piece of obsidian, this bathtub is crafted from earth’s natural elements and refined to its most beautiful form.
  • Hydroluxe solid surface construction
  • Freestanding bathtub with end drain
  • Includes half exposed tip toe waste and overflow
  • Soaking tub only bath therapy type
  • Oversized: Yes
  • Includes tip toe drain in standard polished chrome finish


  • UL listed
  • UPC, cUPC, USPC, cUSPC listed

Key Features & Innovations

Hydro-system-UL Listed

Hydro-system-UPC Certified

Hydro-system-cUPC Certiifed

Hydro-system-USPC Certified

Hydro-system-CUSPC Certified


This product has the following variations:

SKU Description Price
OBS5830STO-BIS With Tub Color: Biscuit $4,164.49
OBS5830STO-ALM With Tub Color: Almond $4,164.49
OBS5830STO-WHI With Tub Color: White $4,164.49

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