So I started my ugly phase about two-and-a-half to three months ago. it was just a light dusting of diatoms but now it's starting to get long and stringy like a spider web. Just want to make sure it's not something else. I'm getting ready to add to my cleanup Crew since many of them have perished and I'm also adding a second wave maker to take care of some low-flow areas. the picture is a shot of my glass but I have it in other areas attached to my rock work as well. All of it is brown