The Ultimate Guide to 18 x 36 Pools

Are you considering installing an 18 x 36 pool in your backyard? A pool of this size is perfect for families who love to swim or entertain guests. In this guide, we’ll go over everything you need to know about 18 x 36 pools, from installation to maintenance.

What is an 18 x 36 Pool?

An 18 x 36 pool is a rectangular-shaped swimming pool that measures 18 feet in width and 36 feet in length. This size is considered a standard size for in-ground pools and provides ample space for swimming, playing, and lounging.

🏊‍♀️ Fun fact: An 18 x 36 pool can hold up to 28,000 gallons of water, depending on the depth.


Installing an 18 x 36 pool is a significant investment, but the payoff is worth it. Here’s what you need to know about the installation process:


Before you begin the installation process, you’ll need to obtain the proper permits from your local government. The requirements vary depending on where you live, so be sure to check with your municipality.


Once you have the necessary permits, the next step is to excavate the area where the pool will be installed. This involves digging a hole that is slightly larger than the dimensions of the pool.

👷‍♂️ Note: You’ll need to hire a professional excavation company to handle this part of the process.


The next step is to create a solid foundation for the pool. This typically involves pouring a concrete slab or constructing a retaining wall.


Finally, the pool itself can be installed. This involves placing the pool shell in the excavated area and connecting the plumbing and electrical systems.

👍 Tip: It’s important to hire a professional pool installation company to ensure that the job is done correctly.


An 18 x 36 pool can be customized with a variety of features to enhance your swimming experience. Here are some popular options:

Pool Heating

Heating your pool allows you to extend your swimming season and enjoy your pool even when the weather is cooler. There are several options for pool heating, including gas, electric, and solar.

Pool Lighting

Adding lighting to your pool can create a beautiful ambiance and make it easier to swim at night. There are several options for pool lighting, including LED and fiber optic.

Pool Covers

A pool cover is essential for keeping your pool clean and safe when it’s not in use. There are several options for pool covers, including manual and automatic.


Maintaining your pool is essential to ensure that it stays clean and safe for swimming. Here are some tips for pool maintenance:

Chemical Balance

It’s important to maintain the proper chemical balance in your pool to prevent algae growth and keep the water safe for swimming. The pH level should be between 7.2 and 7.8, and the chlorine level should be between 1 and 3 parts per million.


Skimming the surface of the pool with a net removes debris and prevents it from sinking to the bottom of the pool.


Brushing the walls and floor of the pool removes any dirt or algae buildup and helps to prevent stains.


Vacuuming the pool removes any debris that has sunk to the bottom.


The cost of an 18 x 36 pool varies depending on several factors, including the location, the features, and the company you hire for installation. Here’s a breakdown of the costs you can expect:

Expense Cost Range
Pool shell $15,000 – $25,000
Installation $10,000 – $20,000
Permits $500 – $1,500
Features $500 – $5,000+

🤑 Note: The cost of maintenance is not included in these estimates.


An 18 x 36 pool is a great addition to any backyard and provides ample space for swimming, playing, and lounging. When considering an 18 x 36 pool, be sure to factor in the cost of installation, permits, and features, as well as ongoing maintenance expenses. With proper maintenance, your pool can provide years of enjoyment for you and your family.

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Learn everything you need to know about 18 x 36 pools, from installation to maintenance. Discover the cost breakdown and popular features of this popular pool size.

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18 x 36 pool, installation, features, maintenance, cost, permits, pool heating, pool lighting, pool covers.

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