Best Pool Solar Cover: Keep Your Pool Warm & Clean

A pool solar cover is one of the best investments you can make for your swimming pool. It helps retain heat, reduces water evaporation, and keeps debris out, making pool maintenance easier. But with so many options available, choosing the best solar cover can be overwhelming. This guide breaks down the top solar covers and what to look for when buying one.

Why You Need a Pool Solar Cover

A high-quality solar cover does more than just sit on top of your pool. It provides several benefits that improve water quality and reduce maintenance costs:

• Retains heat by preventing heat loss at night and on cooler days

• Reduces evaporation, saving water and chemicals

• Prevents debris like leaves, dirt, and insects from entering the pool

• Lowers energy costs by reducing the need for a pool heater

• Minimizes chemical loss, keeping water balanced longer

• Extends the swimming season by keeping the water warm for longer periods

• Reduces algae growth by limiting sunlight exposure to the water

Types of Pool Solar Covers

There are different types of solar covers designed to suit various pool needs:

1. Bubble Solar Covers

• Made of lightweight plastic with air-filled bubbles

• Available in various thicknesses (8-16 mil)

• Best for heat retention and evaporation reduction

✅ Pros: Affordable, easy to use, and effective at keeping water warm
❌ Cons: Can be difficult to store and requires a reel for larger pools

2. Liquid Solar Covers

• A chemical solution that forms an invisible barrier on the water

• Prevents evaporation and reduces heat loss

• Ideal for pools where traditional covers are inconvenient

✅ Pros: No need for storage, easy to apply, and doesn’t affect swimmers
❌ Cons: Less effective at heat retention compared to bubble covers

3. Solar Rings & Squares

• Individual floating rings or squares that trap heat

• Can be used alone or with other covers

• Easy to remove and store

✅ Pros: Simple to use, customizable coverage, and easy to store
❌ Cons: Less effective than a full cover and can shift in strong winds

Best Pool Solar Covers

1. Sun2Solar 16-Mil Solar Cover (Best Overall)

✔ Thick, durable 16-mil material for maximum heat retention
✔ Reduces evaporation by up to 95%
✔ Can be cut to fit any pool shape
✔ Blue and clear options available
✔ Great for both in-ground and above-ground pools

🔹 Best for pool owners who want top heat retention and energy savings

2. Blue Wave NS520 Solar Cover (Best Budget Option)

✔ 14-mil thickness for solid heat retention
✔ Cuts down on chemical loss and evaporation
✔ Affordable without sacrificing performance
✔ Durable and UV-resistant for long-lasting use

🔹 Best for pool owners looking for an effective but budget-friendly option

3. Liquid Heat Shield (Best Liquid Solar Cover)

✔ Forms an invisible layer on the pool’s surface
✔ Easy to apply with no need for removal or storage
✔ Safe for swimmers and compatible with all pool types
✔ Reduces evaporation without affecting water circulation

🔹 Best for pools where traditional covers are inconvenient

What to Look for in a Pool Solar Cover

When choosing a solar cover, consider these key features:

✔ Thickness (Mil Rating): Thicker covers provide better insulation and last longer
✔ Color: Clear covers allow more sunlight in, while blue covers offer better heat retention
✔ Size & Shape: Choose a cover that fits your pool or can be trimmed to size
✔ UV Resistance: A good cover should withstand sun exposure without deteriorating quickly
✔ Ease of Use: Consider whether you’ll need a reel for handling larger covers
✔ Durability: A well-made solar cover should last at least 3-5 seasons with proper care

How to Use and Maintain a Pool Solar Cover

• Place the bubble side down so the air pockets trap heat

• Use a solar cover reel for easier handling and storage

• Trim the cover to fit your pool shape if necessary

• Remove the cover before shocking the pool to avoid damage

• Store properly when not in use to extend its lifespan

• Clean the cover regularly to remove dirt, algae, and chemical residue

Things to Know About Pool Solar Covers

1. How long does a pool solar cover last?

A good-quality solar cover can last anywhere from 3 to 5 years, depending on its thickness, material, and how well it's maintained.

2. Can I run my pool pump with a solar cover on?

Yes, a solar cover won’t interfere with water circulation. Just make sure your pump and skimmer are functioning properly.

3. Should I leave my solar cover on all the time?

For maximum heat retention, leave your cover on when the pool isn’t in use. However, remove it when shocking or adding chemicals.

4. Do solar covers help with algae prevention?

Yes, by limiting sunlight exposure, solar covers help reduce algae growth, though regular pool maintenance is still needed.

Find the Best Solar Cover for Your Pool

A pool solar cover helps you save money, maintain warm water, and keep your pool clean. Whether you choose a bubble solar cover, liquid cover, or solar rings, picking the right option depends on your pool’s needs. The Sun2Solar 16-Mil Cover is the best all-around option, while the Blue Wave NS520 provides great value. If you prefer a hassle-free alternative, Liquid Heat Shield is a simple solution.

By investing in the right solar cover, you’ll enjoy a warmer, cleaner, and more efficient pool all season long!