Understanding the Anatomy of a Swimming Pool

A Breakdown by Foley Pools

Building or maintaining a pool can feel overwhelming if you don’t understand the basic components that make it function. Whether you’re considering a new custom pool or looking to maintain your current one, knowing the "anatomy" of a swimming pool can help you better appreciate its design and operation.

At Foley Pools, we pride ourselves on educating homeowners about the essential elements that keep their pools in perfect condition. Here’s an overview of the critical components that work together to create a functional and beautiful swimming pool. 

The Shell: Foundation of the Pool

The pool’s shell is its structure—the form that holds the water and gives your pool its shape. Most custom pools use a durable gunite or shotcrete base, ensuring longevity and strength. The shell is reinforced with steel rebar and coated with plaster or aggregate to provide a smooth finish. 

Custom Options
Whether you choose freeform, geometric, or straight-line designs, the shell determines your pool’s visual appeal and functionality. 

Circulation System: The Heart of Your Pool

Heating and Cooling Systems: Comfort Year-Round

Special Features: Enhancing the Experience

Decking and Coping: Framing Your Pool

Pool Plumbing: Behind-the-Scenes Power

The circulation system keeps your pool water clean and healthy by continuously moving and filtering it. 

Pool Pump
Often referred to as the heart of the pool, the pump pulls water from the pool, sends it through the filter, and returns it to the pool. Modern variable-speed pumps are energy-efficient and help reduce operational costs. 

Pool Filters
Filters remove dirt, debris, and impurities from the water. There are three main types:

  • DE (Diatomaceous Earth) Filters: Superior filtration that traps the smallest particles

  • Cartridge Filters: Easy to clean and ideal for smaller pools

  • Sand Filters: Low-maintenance and effective for larger pools

Skimmers & Returns
Skimmers pull in surface debris (like leaves), while return jets push clean, filtered water back into the pool, ensuring even circulation.

Water Chemistry: Keeping the Pool Clean and Safe

Maintaining proper water balance is essential to prevent algae, bacteria, and equipment corrosion. Here’s what you need to monitor: 

Chlorine or Salt Systems
Chlorine keeps the water sanitized, while saltwater systems generate chlorine naturally for a gentler swimming experience. 

pH Levels
Balanced pH keeps the water comfortable and protects pool surfaces. 

Additional Treatments
Shocks, algaecides, and stabilizers help ensure water clarity and quality. 

Proper water care prolongs the life of your pool and keeps it safe for swimmers. 

Texas weather can be unpredictable, so adding a heating or cooling system ensures your pool stays comfortable throughout the seasons. Adding these systems allows you to maximize your pool’s usability year-round. 

Pool Heaters
Gas heaters or heat pumps keep water warm in cooler months. 

Chillers
For hot Texas summers, pool chillers cool the water, creating a refreshing escape.

Hidden from view, your pool’s plumbing system ensures water flows efficiently between the pump, filter, and features. Pipes, valves, and drains work together to manage water circulation and filtration. Proper plumbing ensures a seamless, worry-free pool experience. 

Main Drain
Located at the bottom of the pool, the main drain helps remove debris and ensures balanced water circulation. 

Overflow and Backwash Lines
These systems prevent overfilling and help maintain water levels.

Your pool’s anatomy isn’t just about function—it’s about fun, beauty, and comfort. Special features elevate your pool project and create an unforgettable backyard space: 

Spillways and Waterfalls
Add elegance and soothing sounds to your pool. 

Tanning Ledges
Perfect for relaxing in shallow water with loungers. 

LED Lighting
Enhances safety while creating stunning nighttime aesthetics. 

Automation Systems
Control everything from pumps to lights with a smartphone app. 

The decking and coping frame your pool, creating the transition between the water and the surrounding outdoor space. 

Decking Options
Choose from materials like pavers, spray deck, or Tex-Mat for durability and visual appeal. 

Coping
This finishing edge protects the pool’s structure while adding style, whether you prefer natural stone or smooth, modern finishes. 

Understanding Your Pool Helps You Enjoy It

A swimming pool is more than just water—each component works together to provide a clean, safe, and relaxing experience. At Foley Pools, we ensure our clients understand their pool systems, so they feel confident in their investment. 
Whether you’re dreaming of a new custom pool or upgrading your existing one, our expert team is here to guide you every step of the way. Contact us today to learn how we can bring your vision to life and create a backyard paradise designed to last for years. 

Thanks for reading!
Foley Pools

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