Quote Originally Posted by Watermom View Post
A backwash should be sufficient. I would think that a blast from a hose might damage the inside of the filter.
I'm not using a fire hose

All I know is when I open the filter there are cakes of DE in all kinds of little corners. And like dirt in the corner of the kitchen floor it finds its way to the middle. I’ve even taken the whole thing apart before but that is not my normal MO.