sun magnet solar pool covers??

[Victor]

hello all, this summer and after closing my pool yesterday i think that my blue solar cover has swwn its last day, blue circles filled my skimmers and water in bubbles. So ive been looking online and i found this
http://www.poolzone.com/Solar-Pool-Covers/18-X-36-Rectangle-SunMagnet-TM-GoldTech-Solar-Pool-Covers/
i have no experience with solar covers that was the first cover i had since building pool 3 years ago and any help would be greatly appreciated.

thanks in advance