CluelessInNY
Aquarium Advice Activist
What on EARTH are these tiny, pin head-sized critters on the glass of my tank near the base of my LR? They look like fleas and they are white and they scurry about on the glass. They aren't air bubbles, because they move around in all directions and then seem to leave the glass and land again further down. WHAT IS IT?!?!?! AAAAGH!!!