A: Hello: You can use the pool at all times that you would like.
A: yes, it comes with a turn buckle and cable you would have to tighten and release each time you put it on and off
|Brand||Blue Wave||Swimline||Blue Wave||Robelle|
|Name||18 ft. Round Black Leaf Net Above Ground Pool Cover||18 ft. Round Above Ground Swimming Pool Leaf Cover||21 ft. Round Black Leaf Net Above Ground Pool Cover||Standard 15 ft. Round Above Ground Pool Leaf Net|
|Pool Size||Round-18 ft.||Round-18 ft.||Round-21 ft.||Round-15 ft.|
|Pool Type||Above Ground||Above Ground||Above Ground||Above Ground|
|View Product||View Product||View Product||View Product|