Quote Originally Posted by stma View Post
...heavy amount (2+ Cups) let the pressure increase THEN keep it there overnite.... I know the pressure out of the return wont be strong, hence the pool will be slow to re-circulate... but with that much DE coating the filter surface, I would ASSume I'd be catching the tiniest of particles...
You may but not very many of them. If the flow is too low there just won't be much water flowing through to clean. Moderation in all things.