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

Install Above Ground Pools FAQs, answered by experts

Pool maintenance costs an average of $230 per service, with prices ranging from $50 to $750 per service, depending on several factors. The type of service will usually be the most significant cost factor, as opening and closing a pool takes a few hours and can total $400 or more, while regular cleanings could cost under $100. The size of your pool and the type of pool—above-ground, in-ground, saltwater—can also affect the price of maintenance.

A 24-foot diameter pool is the most popular size for a round above ground model, while 15 by 30 feet is a common choice for oval-shaped pools. However, you'll find round sizes everywhere between 8 and 33 feet. Oval pools range up to 21 by 41 feet but can be customized to stretch much longer. Choosing the right size will come down to where you can level your yard and how many swimmers plan to use the pool at a given time.

Calcium hypochlorite, or cal-hypo, tends to be the best shock for an above ground pool. It is widely available, affordable, and powerful. Cal-hypo shock is typically 65% to 75% chlorine and is very effective at ridding a pool of bacteria or other contaminants.

Whether your homeowners insurance covers a pool leak depends on your specific policy, so it's essential to check your policy documents before taking on any repairs. Typically, leaks caused by a covered event, such as a fallen tree branch or a fire, may be covered. However, leaks resulting from general wear and tear or poor maintenance are usually not. It is also a good practice to review your homeowners insurance policy before installing a pool to fully understand your personal liability and coverage.

The best way to dissolve algae is to use pool shock. The shock increases the free chlorine levels in your pool, which in turn kills bacteria, microorganisms, and algae. You can opt for granulated shock that you mix with water or a premixed liquid shock.

Keep in mind that using pool shock is just one of the steps you need to take to get rid of algae from your pool. Unless you also brush, vacuum, and clean the filter, your algae problem may return.

The Plains, 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.