Hi, and welcome to the forum!!

I'm afraid we'll need a bit more information. First of all, I'm not sure I understand the problem--is it cloudy water, or a filter issue? When you say you see some cloudy water getting in the pool, I'm assuming you mean from the returns? Does it happen just on startup or the whole time it's running? What what size pump, and what size pool do you have? Is this a new problem? Also, what are the chem levels for Chlorine, pH, alk, calcium, and CYA?

Janet