Essential Autumn Pool Closing Gear: 10 Items

As autumn leaves begin to turn and the summer heat fades, backyard pool owners must shift their focus from recreation to preservation. Neglecting the pool closing process is an expensive mistake that can turn a crystal-clear oasis into a costly, swampy nightmare come spring. Securing the right gear now guarantees a seamless reopening and protects your valuable aquatic investment through the harshest winter freeze.

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Why Proper Autumn Pool Closing Prevents Costly Spring Repairs

Water expands by about nine percent when it freezes, exerting immense pressure on pipes, skimmers, and pool walls. If you leave water in your filtration lines or fail to secure the pool structure, this expansion can easily crack PVC pipes, rupture underground lines, and destroy expensive filtration pumps. Repairing underground leaks in the spring requires heavy excavation, costing thousands of dollars that could have been saved with an afternoon of systematic winterization.

Beyond structural damage, failing to properly treat the water and seal the pool leads to massive organic growth. Algae blooms thrive in early spring as temperatures rise under loose, cheap covers, staining vinyl liners and pitting plaster finishes. Clearing a severely compromised pool in May requires hundreds of dollars in shock chemicals, hours of scrubbing, and days of running filtration systems, which delays your swimming season.

Pool Safety Cover – Meyco MeycoLite Mesh Safety Cover

A safety cover is the ultimate barrier protecting your pool from winter debris, heavy snow loads, and accidental falls. Unlike standard tarp covers that float loosely and collect dangerous puddles of water, a tensioned safety cover anchors directly into the pool deck to create a taut, trampoline-like surface. This prevents leaves from rotting in standing water on top of the cover and protects children or pets from falling into the pool.

The Meyco MeycoLite Mesh Safety Cover stands out because of its exceptional strength-to-weight ratio and high-density weave. This cover blocks nearly all sunlight—starving algae of the energy it needs to grow—while still allowing rainwater and melting snow to filter through. Its rugged double-webbing straps and heavy-duty brass anchors ensure it resists tearing even under heavy blizzards and strong autumn winds.

Practical considerations: * Requires a solid concrete or wood deck to install the recessed brass anchors. * Comes in standard geometric pool sizes; custom shapes require professional measuring. * Must be stored dry in its included mesh bag to prevent mold and nesting rodents during the summer.

This cover is perfect for families with kids or pets who prioritize absolute safety and want a clean pool opening with minimal spring cleanup. It is not ideal for budget-conscious owners of above-ground pools or those with minimal deck space where anchoring is impossible.

Pool Cover Pump – Little Giant APCP-1700 Cover Pump

If you use a solid cover or live in an area with heavy winter rain, water will accumulate on top of your pool cover, weighing it down and straining the anchors. This accumulated water becomes a breeding ground for mosquitoes and mixes with decaying leaves, creating a toxic sludge that can slip into your pool. A dedicated cover pump automatically removes this standing water before it causes structural damage or cover failure.

The Little Giant APCP-1700 Cover Pump is the industry workhorse for automated water removal. Featuring an integrated mechanical float switch, this submersible pump activates automatically when water levels reach two inches and shuts off once the surface is dry. Its wide, stable base prevents it from tipping over on uneven cover surfaces, while its clog-resistant intake screen keeps wet leaves from choking the impeller.

Practical considerations: * Pumps up to 1,745 gallons per hour using a standard garden hose connection. * Requires a reliable, GFCI-protected outdoor outlet and a heavy-duty extension cord rated for wet areas. * Must not be left outside during prolonged sub-freezing temperatures without water flow, as frozen water inside the pump housing will crack the casing.

This pump is an essential buy for anyone using solid winter covers or tarp-and-water-bag setups. It is unnecessary for owners of high-end mesh safety covers that naturally drain water directly into the pool.

Winter Chemical Kit – In The Swim Deluxe Winterizing Kit

Simply covering your pool is not enough; you must chemically prepare the water to sit stagnant for six months. Cold water slows algae growth, but it does not stop it entirely, especially during the warm bookends of autumn and early spring. A specialized winter chemical kit slow-releases sanitizers and metal sequestrants over the winter to keep the water clear and prevent staining.

The In The Swim Deluxe Winterizing Kit offers a perfectly proportioned chemical cocktail that eliminates the guesswork of off-season chemistry. It includes a time-released winterizing floater packed with non-chlorine sanitizer, a powerful winter shock treatment, a highly concentrated algaecide, and a metal-free stain preventer. This multi-step approach prevents scale buildup on pool tile lines and ensures you do not open a dark green swamp in May.

Practical considerations: * Sized specifically for pools up to 20,000 gallons; larger pools will require multiple kits. * Must be added after the water temperature drops below 60 degrees Fahrenheit for maximum chemical longevity. * Requires running the filtration system for at least four hours after adding the chemicals to ensure complete circulation before draining the lines.

This kit is a must-have for busy pool owners who want an all-in-one, pre-measured chemical solution that guarantees clear water. It is not necessary for those who prefer to source and measure raw bulk pool chemicals manually.

Pool Air Pillow – Robelle Ice Equalizer Air Pillow

For above-ground pools and solid-covered in-ground pools, freezing ice is a major destructive force. As a solid sheet of ice expands outward, it exerts immense lateral pressure against the pool walls, which can warp metal frames, split vinyl liners, and ruin the pool structure. Placing an air pillow in the center of the pool acts as a pressure relief valve, absorbing the expansion forces inward rather than outward.

The Robelle Ice Equalizer Air Pillow is built from heavy-duty, 16-gauge vinyl to withstand the relentless squeezing force of freezing water. Designed with reinforced grommets on all four corners, this pillow can be easily centered in the pool using guide ropes, preventing it from drifting to one side. Its specialized leak-proof valve ensures that air remains trapped inside even under extreme winter pressure.

Practical considerations: * Inflate the pillow to only 60 to 70 percent capacity to allow room for compression when ice squeezes it. * Use nylon ropes tied to opposite sides of the pool to keep the pillow perfectly centered. * Over-inflation is the number one cause of winter pillow ruptures, so resist the urge to blow it up rock-hard.

This is an absolute necessity for all above-ground pool owners and anyone using solid winter covers in freezing climates. It is not required for in-ground pools utilizing tensioned mesh safety covers.

Line Blower – Cyclone Pro Commercial Line Blower

Leaving water inside underground plumbing lines during a hard freeze is a recipe for a catastrophic, multi-thousand-dollar repair bill. A standard shop vac rarely has the air pressure or volume required to push water completely out of long, deep pipes, especially the main drain at the bottom of the pool. A dedicated commercial line blower forces all water out of the lines, creating a dry, safe environment inside the pipes.

The Cyclone Pro Commercial Line Blower delivers a high-volume, low-pressure blast of air that clears pool plumbing lines in seconds. Equipped with a powerful 3.0 horsepower bypass motor, this rugged unit easily pushes water out of deep main drains and multiple return lines simultaneously. Its durable plastic housing and rubber feet ensure it stands stable on wet concrete decks without sliding around.

Practical considerations: * Requires a standard 120-volt power outlet but draws high amperage, meaning it should be run on a dedicated circuit. * Must be connected to the skimmer or pump basket using a reinforced 1.5-inch or 2-inch threaded hose adapter. * Users must learn the proper sequencing of opening and closing valves to ensure all lines are blown dry.

This tool is a brilliant investment for DIY pool owners who want to stop paying pool companies hundreds of dollars every autumn to blow out their lines. It is overkill for those who live in warm climates that never experience sub-freezing temperatures.

Winter Expansion Plug – Anderson Winterizing Plug

Once you blow the water out of your pool lines, you must seal the pipe ends to prevent water from seeping back in from the pool. If water re-enters the plumbing and freezes, the expansion will split the fittings right behind the pool wall. Heavy-duty expansion plugs seal the returns and skimmers, keeping the interior of your plumbing lines dry all winter long.

The Anderson Winterizing Plug features a patented raised-rib design made of high-grade, chemical-resistant rubber that creates a watertight seal inside PVC pipes. The non-corrosive nylon wing nut and stainless steel bolt allow you to tighten the plug by hand, expanding the rubber tightly against the pipe walls. These plugs resist degrading from high chemical concentrations and will not slip or pop out under pressure.

Practical considerations: * Available in multiple sizes, with 1.5-inch and 2-inch sizes being the standard for most residential pools. * Always measure the inner diameter of your return lines before purchasing to ensure a perfect fit. * Apply a thin layer of pool-safe silicone lubricant to the rubber before insertion to improve the seal and ease removal in the spring.

This plug is an essential, low-cost safety item for any pool owner in a freezing climate who is winterizing their plumbing lines. It is not needed if you reside in deep tropical regions where pools remain open year-round.

Skimmer Guard – Gizzmo Ultra Skimmer Freeze Protection

The pool skimmer is one of the most vulnerable parts of a pool during winter because it sits right at the water level where ice forms first. When water inside the skimmer throat freezes, it expands outward, easily cracking the plastic housing and causing a major leak that is highly difficult to repair. A skimmer guard acts as a sacrificial compression tube, collapsing under ice pressure to protect the delicate skimmer walls.

The Gizzmo Ultra Skimmer Freeze Protection is the gold standard for skimmer preservation, combining a freeze-expansion absorber with a heavy-duty winter plug. Featuring a hollow, flexible plastic body, this device absorbs the expansion of freezing water by collapsing inward. It features molded-in threads at the base that screw directly into the bottom of the skimmer, sealing the plumbing line while simultaneously protecting the skimmer housing.

Practical considerations: * Features 1.5-inch and 2-inch dual threads to fit almost any standard residential skimmer. * Wrap Teflon tape around the Gizzmo’s threads before screwing it in to guarantee an airtight, watertight seal. * Ensure the Gizzmo is screwed in hand-tight; over-tightening can strip the delicate plastic threads of your skimmer.

This is an indispensable tool for any in-ground pool owner in cold regions where the water level rises into the skimmer over winter. It is not necessary if you completely drain your pool below the skimmer line and use a standard winter plug.

Pool Leaf Rake – ProTuff Heavy Duty Pool Leaf Rake

Before putting the cover on your pool, you must remove every trace of organic debris from the bottom. Leaving organic matter like wet leaves, twigs, and acorns to rot over the winter leads to deep tannic stains that are nearly impossible to scrub out of plaster or vinyl. A heavy-duty, deep-pocket leaf rake lets you scoop bulk debris quickly without damaging your pool liner.

The ProTuff Heavy Duty Pool Leaf Rake is engineered with a super-strong, aluminum alloy frame that will not bend or snap under heavy, wet loads of leaves. Its double-stitched nylon mesh bag is incredibly tear-resistant, easily sliding along the pool bottom to collect debris. The leading edge features a beveled plastic scoop that glides smoothly under leaves without scraping or snagging your pool liner.

Practical considerations: * Features a standard connection clip that fits any standard 1.25-inch telescopic pool pole. * The deep bag can hold up to 40 pounds of wet debris, so ensure you have the upper-body strength to lift it when full. * Wash the mesh bag with fresh water and dry it before winter storage to prevent rot and mildew.

This rake is a must-have for pool owners with heavy deciduous tree cover nearby who need to pull large quantities of leaves out of their pool fast. It is not required for indoor pools or screen-enclosed pools that do not suffer from windblown debris.

Winter Cover Seal – Blue Wave Winter Cover Shield Seal

Above-ground pools wrapped in traditional winter covers are highly vulnerable to high autumn and winter winds. If wind slips under the edge of the cover, it acts like a sail, lifting the cover, snapping the cable, and blowing leaves and debris into the clean water below. A stretchable cover seal wraps around the perimeter of the pool, locking the cover flush against the pool wall to block the wind.

The Blue Wave Winter Cover Shield Seal is a high-strength, UV-resistant stretch film designed specifically to wrap around above-ground pools. It acts like giant plastic wrap, sealing the gap between the cover and the top rail of the pool to stop wind from getting underneath. Its tough, clingy material is formulated to survive freezing temperatures and harsh sunlight without cracking or losing its grip.

Practical considerations: * Typically requires wrapping around the pool six to eight times to ensure a tight, secure hold. * Only works on above-ground pools with exposed top rails and metal walls where the wrap can grip. * This is a single-season product that must be cut off and discarded in the spring, requiring a new roll each autumn.

This seal is an absolute lifesaver for above-ground pool owners in windy regions who are tired of their pool covers flapping or blowing off mid-winter. It is completely useless for in-ground pools.

Pool Water Bag – Swimline Double Water Bag for Covers

For in-ground pools utilizing standard tarp covers, holding the edges down securely is a constant battle. Using concrete blocks or bricks is dangerous, as they can scratch the coping, tear the expensive cover, or slip into the pool and rupture the liner. Heavy-duty water bags are the safest and most effective way to weight down the perimeter of a tarp cover, keeping it taut and wind-resistant.

The Swimline Double Water Bag for Covers features a dual-chamber design that prevents the bags from rolling off the pool deck and into the water. Constructed from heavy-duty, 18-gauge vinyl, these bags are designed to expand when the water inside freezes without splitting the seams. The leak-proof valves are easy to fill with a standard garden hose and seal tightly to prevent leakage.

Practical considerations: * Fill the water bags only one-half to three-quarters full to allow room for ice expansion during freezing weather. * Lay the bags end-to-end around the entire perimeter of the pool cover to prevent wind from finding a gap. * Never drag filled bags across concrete decks, as rough stone can easily puncture the vinyl.

This product is the ideal anchoring solution for in-ground pool owners who use traditional solid tarp covers. It is not necessary for pool owners who use anchored safety covers or above-ground pools.

How to Safely Store Your Filtration Equipment for Winter

Your pump, filter, and heater are the expensive heart of your pool system, and leaving water trapped inside them over winter will destroy them. When water freezes inside a pump housing or a sand filter multi-port valve, the resulting expansion easily cracks the thick plastic and metal components, requiring complete replacement in the spring. A systematic, step-by-step draining process is the only way to safeguard this high-value machinery.

Start by turning off all power at the main breaker and opening the air relief valve on top of your filter to release system pressure. Remove all drain plugs from the bottom of your pump strainer basket, your filter tank, and your heater manifold, letting the water drain completely onto the ground. Store these small drain plugs inside the pump basket so they do not get lost over the winter.

For cartridge and DE filters, remove the internal elements, hose them down thoroughly to remove debris, and store them in a dry, indoor area. If your pump is located in an area with brutal winter freezes, disconnect the unions and store the pump motor indoors in a garage or basement to protect the delicate electrical windings from moisture. Taking these extra steps in autumn ensures your mechanical systems are ready to run flawlessly the moment you turn the power back on in the spring.

Conclusion

Spending a few dedicated hours preparing your pool in the autumn is the best insurance policy against spring headaches. By investing in high-quality cover pumps, safety covers, and winterizing plugs, you protect both your budget and your sanity. Come May, you will reap the rewards of your diligence when you peel back the cover to reveal crystal-clear, ready-to-swim water.