Swimline Super Guard Solid Above Ground Winter Pool Cover - 18' x 34' Oval professional-g-sanitizer Manufacturer Part # 21000900

Manufacturer Part # 21000900

Manufacturer Part # R0317005

Manufacturer Part # CHXMSI1930

Rids water of nasty bacteria

Dosage Add 2 lbs per 12

Swimline Super Guard Solid Above Ground Winter Pool Cover - 18' x 34' Oval professional-g-sanitizer Manufacturer Part # 21000900Swimline's Super Guard winter pool cover helps keeps your water free from dirt, leaves, and debris. It helps prevents algae growth, so you can skip the costly maintenance and avoid time consuming spring cleanups. 7 x 7 Scrim 4 foot overlap Pool Type Above Ground Pool Size 18' x 34' Oval Cover Size 22' x 38' Oval Manufacturer Swimline Warranty 8 Year Manufacturer Pro Rated Warranty 1 Year Full Cover Color Blue