Serving the North Shore, Essex & Middlesex County, MA Financing Available

Pool Seasonal Maintenance

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Pool Seasonal Maintenance in Massachusetts — Opening, Closing & Year-Round Care

A New England winter is hard on a pool that wasn’t closed properly. We handle pool opening and closing across the North Shore. We time each one to water temperature, not the calendar. That timing is what keeps your pool clear in April instead of green.

We close pools once water holds below 65°F, blow every line clear, winterize the equipment, and fit the right cover for snow load. Then we open in spring before algae gets a head start.

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What Our Closing Service Includes

  • Water testing and balancing — chemistry corrected before the pool sits for months
  • Deep clean — brushing, vacuuming, skimmer and pump baskets emptied
  • Water level lowered to the correct point for your cover type
  • Lines blown clear and plugged — the step that prevents cracked plumbing
  • Equipment winterized — pump, filter, heater and chlorinator drained
  • Winter chemicals added — algaecide and shock to hold the water over
  • Cover fitted — safety cover or winter cover, secured properly

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    Spring Pool Opening (May)

    Cover removal and cleaning, refill and water testing, reconnecting equipment, priming the pump, removing winter plugs, and balancing water chemistry so the pool is clear and swimmable from day one.

    Pool technician servicing pump and filter for Massachusetts pool opening
    MA pool technician winterizing pool equipment with fall foliage backdrop

    Fall Pool Closing & Winterization (September–October)

    Water-level adjustment, blowing out every plumbing line, adding winter chemicals, draining and protecting equipment, and installing and securing the cover. We winterize before the first hard freeze — in Massachusetts, that window is mid-September to mid-October

    Weekly & Bi-Weekly Pool Care (June–August)

    Skimming, brushing, vacuuming, filter cleaning, chemical testing and balancing, and equipment checks. You get a clear pool and a live report each visit.

    Pool cleaning with skimmer net at Massachusetts suburban inground pool
    Adding chlorine tablet to floating dispenser for Massachusetts pool care

    Chemical Balancing & Water Testing

    Professional testing of pH, alkalinity, calcium hardness, and sanitizer levels. We correct imbalances before they become algae blooms or cloudy water.

    New Season Package Add-Ons

    Smart pool automation, robotic cleaners, and heater tune-ups — these are the upgrades our maintenance clients ask for most.

    Aerial view of MA pool technician inspecting skimmer and equipment

    Because we build pools — vinyl liner, fiberglass, and gunite — we bring a builder’s eye to maintenance. We know where the failure points are because we’ve built the systems that fail on other people’s pools.

    Call Us857-574-4380

    Book a Project Consultation With Us

    Please enter a valid email.
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    Please enter your address.
    Please enter your state & zip.
    Please select a project type.
    Please select a budget.
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    Please select an option.
    Please describe your project.
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    Top-Rated Pool - Spa Builders in MA

    THE PROS, INC.
    THE PROS, INC.
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    Caitlin Welsh profile picture
    Caitlin Welsh
    3 October 2026
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    We used The Pros to fence in our backyard, and we had a great experience! After putting in a request online for a free estimate, we were contacted promptly by Jimy. He was friendly, professional, and very easy to schedule with! He arrived on time to give us our estimate, and was great at breaking down all of the options and logistics. The communication moving forward was also very smooth, and the online payment system was very easy to use! Moses was our project manager, and he was incredibly friendly, professional and efficient. He and his crew did an amazing job! Our project was completed earlier than we anticipated, and it exceeded our expectations. We highly recommend The Pros for your next project!
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    Michael Pettit profile picture
    Michael Pettit
    2 October 2026
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    The Pros did a great job designing/installing our new fence and adding a base for our new shed. The office and designer were responsive throughout the project and the install crew was efficient, friendly, and tidy throughout the project. We would recommend them to others for landscaping projects.
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    Michael Kanarellis
    26 September 2026
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    Salo, Neptali, and their team did a great job with our new walkway, deck, and pool deck. They kept us informed and everyone was very professional. When a few small problems happened they were very quick to remediate which I really appreciated! I would recommend Tge PROS, Inc to anyone looking for a fair and skilled contractor. It was a major project with many components and they did a great job transforming the space from old and weathered to new and modern. Mike K
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    Colleen Kozlowski
    14 September 2026
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    Salo, Hector and there crew did an exceptional job on my yard. For something that was always a dream of mine and my husbands has now been brought to reality thanks to The Pros. I would highly recommend them for any project big or small. If you dream it The Pros can make it your reality trust me they did for us. Thank you for everything you all did for my husband and myself you created our Oasis.
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    Brian Mason
    8 September 2026
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    We had The Pros do an outdoor kitchen for us. They did a fantastic job. Workers were prompt and delivered just as we asked all the way to the final details. My wife and kids are thrilled!
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    Anneka Kumli
    5 September 2026
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    The team at The Pros does exceptional work. We were just blown away. Not only do they do incredible design, masonry, and landscaping, they are also incredibly kind and easy to work with—going the extra mile to make your yard look beautiful. We are so grateful to Elvi, Héctor, Moises, Luis, Neptali, and Jimy for everything they did to turn our yard from a bit of a no man’s land into a truly beautiful and peaceful space that we will enjoy for years to come. If you’re thinking about doing any kind of yard work, we highly, highly recommend hiring The Pros. I’ve added some before and after photos so you can see how amazing they are!!!
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    Jay
    31 August 2026
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    The Pros did an amazing job transforming our backyard from design to finish. We were so happy with the results that we hired them again to do our front yard!
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    Edgar Chaj
    31 August 2026
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    They provide a great customer service from start to finish. The whole design, project management and operation team is outstanding. I really had a grat customer experience and definitely recommended 100%.
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    Ángel Godoy
    29 August 2026
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    Great customer service. Very professional services rendered. Thank you.
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    Rachel Winston profile picture
    Rachel Winston
    26 August 2026
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    This was our second time hiring The Pros, they did an incredible job! We had them install a paver walkway - beautiful work. We had a small issue with the level to our stair and they came back right away and fixed it no problem! Would definitely recommend them, and would definitely work with them again.
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    What Our Professional Opening & Closing Includes

    Spring opening — our checklist:

    • Remove and clean the winter cover, then store it properly
    • Inspect the liner, coping, tile, and skimmer for winter damage
    • Remove winter plugs and reinstall fittings
    • Refill and balance the water level
    • Reconnect pump, filter, heater, and chlorinator
    • Prime the pump and check for leaks
    • Brush, vacuum, and clean the interior
    • Test and balance water chemistry; shock to a clear, swim-ready start

    Fall closing — our checklist:

    • Lower the water level to the manufacturer’s recommended line
    • Blow out all plumbing lines with compressed air — every drop, every line
    • Add pool-grade antifreeze to skimmers, returns, and drains
    • Drain and protect pump, filter, heater, and chlorinator; remove drain plugs
    • Add winter chemicals: algaecide, stain preventer, and oxidizer
    • Install and secure the winter cover, solid or mesh, with proper water bags

    Frequently Asked Questions

    When is the right time for pool opening and closing? Close once water holds steadily below 65°F, usually late September through late October. Open again between mid-April and Memorial Day. Closing while the water is still warm invites algae under the cover.

    What happens if a pool isn’t winterized properly? Water left in the lines, pump, filter or heater freezes and expands. It cracks whatever holds it. Those repairs cost far more than the closing that would have prevented them.

    Which pool cover is best for heavy snow? A mesh safety cover lets meltwater drain through. It handles snow load well with little upkeep. Solid covers keep water cleanest, but they need a pump on top to clear standing meltwater.

    When should I open my pool? Mid-April through Memorial Day for most pools here. Open earlier, while water is still cold, and you clear less algae for lower chemical cost.

    Do you service pools you didn’t build? Yes. We inspect the equipment on the first visit. Any existing issues get flagged before we winterize, so nothing gets blamed on the closing later.

    Can I book opening and closing together? You can, and most clients do. Booking both locks in your schedule at each end of the season.

    Book Your Pool’s Best Season Yet

    We build pools, so we know what sits behind the equipment pad. That matters when a line runs somewhere odd, or a heater drains in a set order. We also service pools we didn’t install. We inspect before closing, so problems get flagged in October instead of found in May.

    See our pool and spa design service, pool patios and decks, and pool fencing. See what our customers say.

    Book your closing before the first freeze. Call (857) 574-4380 or request pool service.

    The Pros, Inc. is a licensed & insured outdoor living company in MA — designing, building & maintaining landscapes, pools, hardscaping, decks, fences, pergolas, driveways, lighting, irrigation & water features for residential and commercial properties across North Shore MA & Greater Boston.

    Contact details

    Head Office —
    29 Hanover St. Lynn Ma 01902, USA

    Working Hours

    Mon-Fri: 9 AM – 6 PM

    Saturday: 9 AM – 4 PM

    Sunday: Closed

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