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Top-Rated Pool and spa technicians in O Fallon - Updated Nov 2026

Avatar for Cool Pools, LLC
Cool Pools, LLC
5.0(
4
)
Swimming Pool - Opening & Closing Service

Serving O Fallon, MO and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"They were very professional. Ready to help with your pool needs. Very reasonable. Timmy manner I will be using them fr now on for my pool. Ty guys you were awesome The Mooreà  à  à  à ¢à  à  à  à  à  à  à  à  s"
Response time8 hrs
Recommended by75%of homeowners
Midwest Pool Management
New to Angi
Swimming Pool - Opening & Closing ServiceIn Ground Swimming Pool or Accessories - Repair or ServiceSwimming Pool - Clean and Maintain

Serving O Fallon, MO and surrounding areas

Approved

In business since 1967

Free estimates

Credit card accepted

Midwest Pool Management has been managing all types of aquatic facilities since 1967. We currently provide swimming pool management services to municipalities, private clubs, subdivisions, and residential properties. We hire over 1500 aquatic staff members per year. Our depth of experience is unmatched in the area of aquatic facility management.

4 neighbors recently requested a quote
Stress Free Pool Service
New to Angi
Swimming Pool - Opening & Closing ServiceIn Ground Swimming Pool or Accessories - Repair or ServiceSwimming Pool - Clean and Maintain+2 more

Serving O Fallon, MO and surrounding areas

Approved

In business since 2021

Small jobs welcome

Offers commercial services

Stress Free Pool Service is proud to serve St. Louis County's pool service needs. Owner and operator Stephen has over 17 years of experience in the industry. Call today for a free estimate on your next project! \n \n

Response time2 days
2 neighbors recently requested a quote
Avatar for Two Men And A Spa Dolly
Two Men And A Spa Dolly
4.1(
14
)
Above Ground Swimming Pool or Accessories - Repair or ServiceHot Tub or Spa - Repair or ServiceIn Ground Swimming Pool or Accessories - Repair or Service+6 more

Serving O Fallon, MO and surrounding areas

In business since 2003

Credit card accepted

"I just had a three man crew move my hut tub today. They showed up on time, loaded everything including the cover, stairs and cover lift, and within minutes they were moving to the new house. They were very professional and friendly, and set up the hot tub exactly how I wanted it. The whole process was less than an hour, not including drive time. The pricing was exactly as quoted. I would highly recommend Two Men and a Spa Dolly."
Recommended by91%of homeowners
Reflections Pools
5.0(
5
)
In Ground Swimming Pool or Accessories - Repair or Service

Serving O Fallon, MO and surrounding areas

In business since 2005

Free estimates

Credit card accepted

"Kevin is fantastic. He saved us thousands of dollars on an unneeded repair leak. Other pool companies told me it would be a week before they could get me but Kevin was their the next day. Kevin came back multiple times to insure the leak was fixed. Kevin fixed a pipe leak for free."
Response time1 day
Recommended by100%of homeowners
Showing 1-10 of 47
Pool and Spa Servicing FAQs, answered by experts

You can and should use a hose to fill a hot tub. There shouldn’t be anything special about the hose other than it shouldn’t be damaged. Kinks or leaks could slow down the filling process. Attach the hose to the nearest spigot and get the water flowing.

You’ll know you need to replace the pump in your hot tub if you hear loud or unusual noises when the machine is running or notice a significant decrease in water pressure. A leak or altogether failure of the hot tub may also indicate a problem with the pump, but you’ll need a professional to investigate the source of the issue.

You should have your spa or hot tub inspected and serviced yearly to prevent more costly repairs. Regular hot tub maintenance can save money and help keep you safe from hazards such as faulty wiring. Call a professional hot tub repair specialist, who will know what common issues to look for and have the parts and tools on hand to fix them immediately.

When your hot tub is completely dry, there is typically no need to introduce antifreeze into the plumbing. However, if you desire an extra layer of protection against potential freeze damage, you can consider adding some RV antifreeze to your hot tub lines. Just ensure that you use RV antifreeze specifically, as automotive antifreeze is highly toxic and should be avoided.

Algae-related green hot tub water is generally safe to use, as algae aren't usually harmful to your health. However, if the conditions in the hot tub are hospitable to algae growth, they may also be hospitable to the growth of other types of microorganisms, including Pseudomonas aeruginosa, bacteria that can cause hot tub rash, or Legionella bacteria, which can cause respiratory illness.

The O Fallon, MO homeowners’ guide to pool and spa services

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