RECOMMENDED AMOUNT: Each one is 5 ft x 5 ft and covers 25 square feet of your pool surface; To roughly calculate the number of rings for 80% coverage, take your pool's sq. ft. surface area and divide by 30
SAVE ON HEATING: Includes 3 inflatable heaters; Compliments existing gas and electric heaters to save you time with faster heating
MINIMALISTIC DESIGN: These heaters lie completely flat, the solid blue color provides a clean, modern look to any backyard pool
REVAMPED DESIGN: Rings expand quickly and always settle seamlessly; Heaters capture solar energy to warm your pool during daylight hours and maintain insulation overnight; Utilize several heaters to cover a minimum of 80% of your pool's area for optimal performance.
GREATER COVERAGE: The thick outer perimeter of these heaters minimize potential overlapping and increase pool surface coverage