The 18x36 Flat Back Kidney (Algrave) inground pool kit offers the perfect balance of natural curves and practical design. Featuring a smooth kidney-shaped profile with a flat back wall, this pool delivers the elegance of a freeform design while maximizing usable swim space and improving backyard fit along fencing, patios, or property lines.

With its generous 18x36 size, the Algrave shape creates a welcoming environment for family swimming, lounging, and entertaining. The curved interior promotes natural circulation and relaxed movement, while the flat back allows for efficient deck layouts and cleaner installation lines—making it a favorite for both homeowners and installers.

Liner Pattern Options

Customize the look of your pool with a wide selection of premium vinyl liner patterns. Each liner is engineered to resist fading, stretching, and chemical wear while enhancing water color and long-term durability.

Walk-In Step Option

Add a molded walk-in step for safer and more comfortable entry. Designed with slip-resistant surfaces and an integrated resting area, this option improves accessibility for swimmers of all ages and creates a natural gathering point in the shallow end.

Coping Choices

Choose from multiple coping styles to achieve a clean, finished edge around your pool. Coping options complement concrete, paver, or stone decking while protecting the pool structure and creating a smooth transition from pool to deck.

Frame System Options

Select a heavy-duty frame system engineered to withstand soil pressure and seasonal ground movement. These corrosion-resistant frames provide long-term stability and dependable performance in a wide range of installation conditions.

Deck Support System

Heavy-duty deck supports help maintain proper deck alignment and structural integrity. Designed for poured concrete or paver decks, this system enhances safety, longevity, and overall installation quality.

The 18x36 Flat Back Kidney (Algrave) inground pool kit is an excellent choice for homeowners seeking a flowing, organic pool design without sacrificing functionality, deck efficiency, or customization options.