Pretty sure they are baby trochus snails. I bought 10 medium sized truchus two years ago. They were one of the first things to go in the tank. It’s great cause I never run out of snails. I actually take the 4 MP40 power heads out every week and scrub them. Usually see 40-50 of those little snails go down the drain every time. I love them. Used to try and save them, but there’s so many I quit worrying about it. They help keep the glass clean. My cycle is the big trochus and turbo snails hit the glass in the evenings as the lights go down and every morning the glass is covered with all the babies. My version of those little scrubby bubbles.I am starting to see the same ones. What are they and where did they come from?
Also - how do I get rid of them?