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*The Angi rating for Above Ground Pool Installation companies in Columbus, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Above Ground Pool Installation needs.

*The HomeAdvisor rating for Above Ground Pool Installation companies in Columbus, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Above Ground Pool Installation needs.

Last update on June 20, 2026

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

Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,678
)
Above Ground Swimming Pool or Accessories - Repair or Service

Serving Columbus, MT and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"The tech was very knowledgeable and went above and beyond to satisfy us. Our faucet was broken would not attach to the sink as the copper seal broke to the water lines."
Recommended by81%of homeowners
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Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Above Ground Swimming Pool or Accessories - Repair or Service

Serving Columbus, MT and surrounding areas

In business since 1971

Credit card accepted

"Called AHS....who sent service request to AAA Flexible Pipe. Adam came out quickly and installed new pump just before HEAVY rains hit...Fast and efficient service from AHS and AAA FLEXIBLE PIPE CLEANING."
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Recommended by65%of homeowners
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Install Above Ground Pools FAQs, answered by experts

You should add chlorine within 48 hours of filling your pool with water. In just 24 hours, bacteria and algae will begin to grow and contaminate your water. After that point, you’ll need to shock the water with high levels of chlorine, and you’ll likely need to do additional vacuuming to get the pool clean. It’s important to check your chlorine levels two to three times a week and add more chlorine as needed to maintain a healthy level.

You can purchase preassembled or customized endless pools as small as 6-by-6 feet, though larger options are more common. For safety purposes, you will also need to set aside space surrounding the pool to support the pool and pool deck. A pool size chart can help you visualize the best shape for your needs.

An aboveground pool should be level within 1 inch—and it starts to become unsafe after a couple of inches. Any slope will lead to an uneven distribution of water, which will put pressure on your pool’s structure, wearing down the pool liner. In certain cases, it could cause your pool to collapse. Even if you’re within a safe window, you may still notice that the water level is uneven.

Generally, you do not need to drain your pool to convert it to a saltwater system. The main exception is if you have used an antibacterial agent containing polyhexamethylene biguanide to sanitize your pool, as these sanitation products do not mix well with saltwater systems. If this is the case, you will need to start fresh. You can either drain the pool or treat the existing water with a high dose of chlorine to remove the antibacterial agent. If you choose the chlorine treatment, wait several days to allow the chlorine to work before proceeding with the conversion. If you are unsure whether this applies to your pool, consult a pool technician.

You don’t need to dilute the baking soda before adding it to your pool. While you can if you want, adding too much water into your pool can throw off your math and chemicals. Your pool’s circulation system will do most of the dissolving work for you, so it’s OK to skip the dilution.

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

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