How long can water sit in a pool without chlorine?

• <div><p>You should add chlorine within 48 hours of <a href="https://www.angi.com/articles/cost-fill-pool-water.htm">filling your pool with water</a>. 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.</p></div>

What type of water can I use to refill my pool?

• <div><p>You can usually use the water from your tap to refill your pool, whether it's city water or well water. If you're going to use <a href="https://www.angi.com/articles/can-you-fill-a-pool-with-well-water.htm">well water to fill your pool</a>, make sure you have an adequate amount of water available and that the water is free of contaminants. A water delivery service may also be able to bring water to refill your pool.</p></div>

Do indoor pools need to be heated?

• <div><p>Your indoor pool can be heated or unheated, but the decision depends on your local climate. In regions with freezing temperatures, heating your pool will keep it warm during the winter, especially if it’s only covered with a greenhouse enclosure. </p><p>If you keep your swimming water warm and toasty, budget between <b>$300 and $5,700 </b>for the <a href="https://www.angi.com/articles/how-much-does-it-cost-install-swimming-pool-heater.htm">cost of installing a pool heater</a>.</p></div>

Top-rated above ground pool installation pros.

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Q: Do installations include pool accessories?

• <div><p>Many providers include essential accessories like ladders and skimmers. Confirm details before starting the project.</p></div>

Q: Will a black tarp heat my pool?

• <div><p>A black tarp will indeed heat your pool. Black absorbs more heat than other colors. This heat will transfer down to the water in your pool and help increase the temperature. It will not be extremely effective at raising the overall temperature, but it can help maintain the current temperature.</p></div>

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Verified Reviews for Above Ground Pool Installation pros in Fairfield, MT

*The Angi rating for Above Ground Pool Installation companies in Fairfield, 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 Fairfield, 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 30, 2026

Reviewed in June 2026
Excellent service, Brian and his crew were safe, meticulous, and deeply invested in completing tasks carefully and efficiently.
Circle B Saw and Tree
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Reviewed in January 2025
I recently contacted Valler Services for a septic tank replacement, and I couldn't be more pleased with the service I received. From start to finish, their team was professional, knowledgeable, and attentive to my needs. The communication was excellent; they kept me informed at every stage of...
Valler services GC
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Reviewed in October 2023
Kai rescued us from another contractor who strung us along and did nothing for 3 months. He swooped in and got everything done in record time. He was all business and knew how to coordinate with sub-contractors to get the work done. He was very professional and patient with us as we negotiated...
First Finishers, LLC
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Reviewed in August 2021
Nathan showed up on time and did a great job. He replaced our carpet with beautiful wood laminate flooring
Freedom Flooring
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Reviewed in July 2021
They do very good worker, very affordable and you won't be disappointed with them.
Jones Excavation, LLC
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Reviewed in December 2020
Billy is great about listening to your ideas. Getting a feel for your vision then offering suggestions on how to make it work with materials you have. Spends time on little details that add so much character to project. Just a nice guy to work with.
Billy Widmer
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Reviewed in October 2020
Amazing. We love our windows. Makes such a huge difference in our Upstairs. And the installation team was professional, polite, and efficient.
Renewal by Andersen of Montana
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Reviewed in August 2019
Went the extra mile in terms of advice and number of trips during commute traffic.
Beastbay Plumbing
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Reviewed in July 2019
Showed up on time (will work outside of Great Falls with no complaint!!!), gave me a quote to approve, then got the job done. Also called the night before to confirm. Friendly, courteous, and respectful of property. Can pay at end of job with cash, checks, or cards! Highly recommend!
Ninja Window Washing
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Reviewed in May 2019
Prompt, work fast, and do a good job.
Moenbros
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Find Above ground pool installation pros in Fairfield

Above Ground Swimming Pool or Accessories - Repair or Service

Serving Fairfield, 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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American Home Shield – Home Warranty

3.5(

5,688

)

Above Ground Swimming Pool or Accessories - Repair or Service

Serving Fairfield, MT and surrounding areas

In business since 1971

Credit card accepted

"One oven doesn't work at all ( my choice, see above), the "working" oven was never calibrated properly so using it is hit or miss. It's time to call American Home Shield to see about replacing the entire unit. I'm waiting to finish other home projects before calling them. I don't know if I'll request Greenway again."

Recommended by65%of homeowners

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Install Above Ground Pools questions, answered by experts

Many providers include essential accessories like ladders and skimmers. Confirm details before starting the project.

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 usually use the water from your tap to refill your pool, whether it's city water or well water. If you're going to use well water to fill your pool, make sure you have an adequate amount of water available and that the water is free of contaminants. A water delivery service may also be able to bring water to refill your pool.

A black tarp will indeed heat your pool. Black absorbs more heat than other colors. This heat will transfer down to the water in your pool and help increase the temperature. It will not be extremely effective at raising the overall temperature, but it can help maintain the current temperature.

Your indoor pool can be heated or unheated, but the decision depends on your local climate. In regions with freezing temperatures, heating your pool will keep it warm during the winter, especially if it’s only covered with a greenhouse enclosure.

If you keep your swimming water warm and toasty, budget between $300 and $5,700 for the cost of installing a pool heater.

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

From average costs to expert advice, get all the answers you need to get your job done.

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