Quote Originally Posted by chem geek View Post
The type of cover seems to make a difference with clear covers not doing much to block the UV in sunlight while blue covers seem to block some if it (though not all). So for protecting the chlorine in the water, the blue covers do a better job.
Is this an educated guess or a result of experience / experiment? I remember this was discussed last year (different forum) and I decided to replace my blue solar cover with a clear one -- it's on the pool now but not enough time has elapsed for me to be able to draw any meaningful comparisons.