Yes it is an acrylic sump. Yes they are right up on it. How far should I move them back?
As far as parameters go. I'm reading 0 phosphate with a Hanna ultra low range meter. 0 ammonia, nitrate and nitrite. 480 calcium, 11.2dkh alk, 1480 mag.
Inhabitants, there are 2 clowns, a hippo tang, tomini tang, 3 chromis, yellow tail damsel, sunshine damsel. A cleaner shrimp, fire shrimp, CUC of turbos, nass snails, blue leg hermits, 2 serpent stars.