blue wave 15-ft round solar pool cover 8-mil blue – solar cover for above ground pool, thermal bubble blanket for heat retention & reduced evaporation round 18' (round) blue is up for auction in Patio, Lawn & Garden. The current bid is $6.50, 92% below the $78.49 MSRP, in New/Like New condition. Bid on this item at our Amelia - Ohio Pike location before the auction closes.