Let's talk about cleaning crews

[Kryten]

Hourly? j/k The fact that it's BB probably plays a role. Although, now that my nano has been running for a while, I'm starting to be concerned about my cleaning crew going hungry. Aside from a very light film of algae that grows on the glass, and I assume the rocks as well, there's not much else for the algae eaters to feed on. There is zero nuisance algae left.