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Top-Rated Above ground pool installation pros in Ennis - Updated Nov 2026

Install Above Ground Pools FAQs, answered by experts

You should add one 3-inch chlorine tablet for every 5,000 gallons of water in your pool. If you have a smaller pool, it’s better to use 1-inch chlorine tablets so you don’t accidentally add too much chlorine. Alternatively, you can add two to three ounces of powdered chlorine or half a gallon of liquid chlorine for every 5,000 gallons of water.

You can build a plunge pool in an 8-by-8-foot space. Many plunge pools are about 8 to 12 feet wide, 2 to 24 feet long, and 4 to 8 feet deep. While these pools are smaller than your average swimming pool, you may want additional space for a deck or patio to surround the plunge pool.

Completely refreshing the water in an aboveground pool every five to seven years helps keep it free of bacteria and algae. Emptying the pool also allows you to clean, repair, or replace the pool liner. Schedule your water change when the weather is mild, as intense heat or cold can damage the pool liner when the pool is empty.

The popular 12-by-24-foot oval above ground pool is ideal for a family of four or a group of four to five people at most. This above ground pool size is popular for balancing space in a backyard and easy use and leaves room for designing a pool deck or patio.

Spools can come as small as 10 x 6 feet, so they don’t take up a lot of room in your yard. You’ll want to plan for pool decking, fencing, and other features that may take additional space, but for the most part, a spool’s small footprint makes it a great choice when you don’t have much yard space to spare.

The Ennis, MT homeowners’ guide to above ground pool installation services

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