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Sara Oliver

How Does An Inground Pool Work?

Updated: Oct 23





Having an inground pool in your backyard is like having a private retreat. It’s a space for fun, exercise, and relaxation. But have you ever wondered how it all works?


At its core, an inground pool consists of several essential components that work together. The pool structure holds the water, while a pump circulates it, ensuring it stays clean and clear. The filtration system removes dirt and debris, keeping the water inviting. Many pools also include heating systems, allowing you to enjoy a swim regardless of the season.


Let’s take a closer look at how these parts function together to create the perfect swimming experience.


Inside an Inground Pool: How It All Works


  1. The Pool Structure


The first thing to consider is the pool structure itself. Inground pools can be made from various materials like concrete, fiberglass, or vinyl. Each type has its pros and cons, but they all serve the same purpose: to hold water safely and securely. The construction process involves digging a hole, shaping the pool, and then installing the chosen material. This solid foundation is essential for ensuring the pool lasts for many years.


  1. Water Circulation and Filtration


Once the pool is built, it’s time to fill it with water. But keeping that water clean is crucial. This is where the pump and filtration system come in.


The Pump:


The pump is like the heart of the pool, constantly circulating water. It pulls water from the pool, sending it through the filtration system to remove dirt, leaves, and other debris.


The Filter:


The filter is the part that actually cleans the water. There are different types of filters—sand, cartridge, and diatomaceous earth (DE)—each working in a slightly different way. The filter traps particles and debris, ensuring that the water that returns to the pool is clear and safe for swimming.


Regular maintenance is necessary to keep the pump and filter functioning properly. This includes cleaning or replacing filter media, checking for clogs, and ensuring the pump is operating efficiently.


  1. Water Chemistry


While circulation and filtration are essential for keeping water clean, maintaining proper water chemistry is just as important. The water in your pool needs to be balanced to ensure it’s safe for swimming and to prevent damage to the pool itself. Key factors include:


pH Level:


This measures how acidic or alkaline the water is. A balanced pH (typically between 7.2 and 7.8) is important to protect swimmers’ skin and eyes, as well as the pool's surfaces and equipment.


Chlorine and Sanitizers:


Chlorine is commonly used to disinfect the water, killing bacteria and algae. Regular testing helps maintain the right chlorine levels.


Alkalinity and Calcium Hardness:


These levels help prevent water from becoming corrosive or scaling, which can damage the pool and its equipment.

Testing kits are readily available and should be used regularly to keep track of these levels.


  1. Heating the Pool


Many inground pools come with heating systems, allowing you to extend your swimming season. There are several types of heating options available:


Gas Heaters:


These are effective for quickly warming the water but can be more expensive to operate.


Electric Heat Pumps:


These use electricity to move heat from the air to the water, making them energy efficient but slower to warm up.


Solar Heaters:


These use solar panels to heat the water using the sun’s energy, making them eco-friendly and cost-effective over time.

Choosing the right heating system will depend on your budget and how often you plan to use the pool.


  1. Maintenance and Upkeep


To enjoy your inground pool, regular maintenance is necessary. This includes:


Skimming and Vacuuming:


Removing debris from the surface and bottom of the pool.


Brushing:


Cleaning the walls and steps to prevent algae growth.


Checking Equipment:


Regularly inspecting the pump, filter, and heater for any issues.


Water Testing:


Using a testing kit to check chemical levels weekly and adjusting as needed.


Establishing a routine for these tasks can help keep your pool in great condition and extend its lifespan.


Conclusion


Now that you know how an inground pool works, you can truly appreciate the systems that keep everything running smoothly.


From the structure to circulation and filtration, each part ensures your pool stays clean, safe, and ready for enjoyment.


By staying on top of maintenance, you’ll not only extend your pool’s life but also maximize its value, creating a space for countless memories—whether it’s hosting summer parties or simply unwinding after a long da


At Dreams Pools and Spas, we take that experience to the next level. Serving Paducah, we specialize in installing premium fiberglass and gunite pools, as well as luxurious freestanding spas and hot tubs. Whether you’re looking to build your dream pool or need expert care to keep it in top shape, our team is here to help. Let us handle the hard work so you can enjoy your pool, stress-free, for years to come. Get in touch right now!




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