Check this out.
I’m very pleased with the heat gain in the pool. I live in upstate NY where the pool temp averaged in the mid 70s last year. This year, mid 80s. Granted, this year is running warmer than average, but by July 1st I actually had to shut the solar collectors off some days and remove the solar cover overnight because the pool temp was in the 90s, and not very refreshing. I can easily gain 2 to 3 degrees per day using a solar blanket to minimize loss at night.
