It’s me again, lol. My 9 gal planted shrimp and neon tank, I noticed lil worms on the glass this morning. The lights are on and they are slowly just crawling around the glass. I’m guessing g it’s from over feeding? The neons don’t go for food like the others do in my other tanks so I’m guessing it’s waste build up? How do you treat this? I read online to not feed the tank for 3-4 days, is that right? Fish and shrimp seem fine, I had noticed that there is a dead blue shrimp I need to fish out but that’s it.