Ok, I almost sh*t myself. (Excuse my French)
Came home today and did a walk around the pool. Did a bit of skimming, checked for any noticeable stuff.. and nothing. Quick pool test and the CL is 9, PH is 7.8 and everything is normal.
2 hrs later, I am outside having dinner when I take another peak and see what I thought was a return of algae. I quickly take the brush and push it, not the huge cloud that I had seen time and time again from previous bouts of algae. It just, disappears. At this point, the water hadn't been circulating for 2 hrs. I brush the walls, nothing. I think I got some more gray hair.
Did the circulation stopping for a couple hours allow pollen to sink and that's what was accumulating?