72 1/2" X 79" HARD COVER DIMENSIONS - FOR BARCELONA, COZUMEL, MADISON OR STAR GAZER QCA SPA Color:Teak • Maintain calcium hardness range

• Maintain calcium hardness range between 200-400 ppm

Test for pH with a reliable test kit

7Lockable for safety100% nylon

12 ppm (parts per million) or 20 ppm for scale and stain removal

72 1/2" X 79" HARD COVER DIMENSIONS - FOR BARCELONA, COZUMEL, MADISON OR STAR GAZER QCA SPA Color:Teak • Maintain calcium hardness rangeQCA Spas hot tub cover for Barcelona, Cozumel (2007 and later), Cozumel Ultra, Madison and Star Gazer spa models. Fits QCA Spas Model 14, Barcelona, Cozumel (2007 and later), Cozumel Ultra, Madison or Star Gazer models Original Factory CoverThis hard cover fits the QCA square shaped, with rounded corners, spa with dimensions of 79 3 4" long by 73 1 2" wide. Teak (Brown) color Cover Dimensions: 72 1 2" x 79"6" Skirt 4" to 2" taper for rain runoff R