有买过游泳池的大佬么，这三种哪种好用？

[img]https://img.nga.178.com/attachments/mon_202008/04/-7Q5-f7mhK1rT1kShs-12h.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202008/04/-7Q5-hgi6K1wT1kShs-12h.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202008/04/-7Q5-ium1K1vT1kShs-12h.jpg.medium.jpg[/img]

去年买过这个，被我老婆扔了。。今年想入个更大的，。
[img]https://img.nga.178.com/attachments/mon_202008/04/-7Q5-hlviK25T1kShs-12h.jpg.medium.jpg[/img]