Jun 11, 2022 #1 N NjClem0305 Community Member View Badges Joined Jan 10, 2017 Messages 36 Reaction score 23 Rating - 0% 0 0 0 I was thinking diatoms but it seems too thick to be that
Jun 12, 2022 #2 M Mike konesky Active Member View Badges Joined Jun 18, 2019 Messages 360 Reaction score 447 Rating - 0% 0 0 0 Looks like detritus. Just poops. Normal stuff. Can syphon it out or just leave it.