Cant get any assistance from my local pool store so I'm hoping someone here can help. I pulled out the filters yesterday out of out my Pentair FNS Plus DE filter and got them all cleaned up. Once I put everything back together now I have a leak from both the inlet and outlet pipes from what I can see. I am able to take off the main nut by hand but the one attached to the filter body I am not sure how to take those off. I assume there is an o-ring that may need to be replaced. Can anyone give me some info on how to replace those o-rings? Attached are some pictures of what I am looking at.





