I have a robokleen and I love it. There have been some negative posts but I haven't had mine but 6 weeks and I'm hoping my experience will be different. The best thing about it is that it has it's own filter and you do not have to hook it up to your pool filter. I put it in and let it do it's thing. 2 hours later it automticaly turns off. It can be heavy when you first pull it out of the water but it's no problem for me and I'm a small female. I'm very pleased so far. When people see it they call it my pool lawn mower. it is quite big but to me has been worth any trouble. Sharon