How Many Solar Sun Rings Do You Need? See the Most Common Pool Sizes.

If you’re looking to heat your pool efficiently while keeping it safe and easy to manage, Solar Sun Rings are a game-changer. In our main blog on recommended Solar Sun Ring coverage, we explain why 50% to 70% pool surface coverage is ideal—especially for balancing heat retention and avoiding excessive algae growth.

But how many Solar Sun Rings do you actually need?

Below, we break down the five most common backyard pool sizes and show you how many Solar Sun Rings you’ll need for 50%, 60%, and 70% surface coverage.


Quick Reference: Solar Sun Ring Dimensions

Each Solar Sun Ring is approximately 5 feet in diameter, which equals about 19.6 square feet of surface area per ring.


Solar Sun Ring Coverage Table by Pool Size

Pool Size Total Surface Area (sq ft) # of Rings for 50% Coverage # of Rings for 60% Coverage # of Rings for 70% Coverage
12' x 24' Rectangle 288 sq ft 8 rings 9 rings 11 rings
15' x 30' Rectangle 450 sq ft 12 rings 14 rings 16 rings
16' x 32' Rectangle 512 sq ft 13 rings 16 rings 18 rings
18' x 36' Rectangle 648 sq ft 17 rings 20 rings 23 rings
20' Round Pool 314 sq ft 8 rings 10 rings 12 rings

Note: These are rounded estimates based on standard pool dimensions. For curved or custom shapes, adjust as needed or use our coverage calculator coming soon!


Why We Recommend 50%–70% Coverage

As discussed in our full blog post on how many Solar Sun Rings you need, this range strikes a perfect balance:

  • 🔆 Warms your pool with the sun’s natural energy

  • 💧 Reduces evaporation and heat loss

  • 🧪 Prevents algae growth that can occur with too much coverage

  • 🧲 Easy to remove and rearrange—unlike bulky pool blankets


Ready to Get Started?

Check out our best-selling styles like the Sunburst Octagon Solar Sun Ring and explore all designs available on CleverPoolUSA.com.

Want help with your pool’s coverage plan? Contact us anytime—we’re happy to help you find the right number and style for your unique pool setup.

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