Cleaning crew "On Strike"

Inverts like snails, crabs, shrimp, stars, etc. do much better at a much higher SG. Probably around 1.025~1.026. They are less effective at lower SG's. That's one possibility but more than that, I think they are afraid of being food.

 

SG is still at 1.023.

Snail got busy last night. Evidence of him munching on the algae growing on the glass. He must realize that the trigger is a heavy sleeper!

Come to think of it, all of the inverts seem to be a little nocturnal now. The hermits have moved from their positions overnight.