Quote Originally Posted by fishtankrob
Calcium fell out of solution last night when evaporation led to pump pumping air bubbles everywhere.... How do i fix this??? Will corals be affected? It looks really weird to have "snow" in a fishtank.....
How does "Ca fell out of solution led to pump pumping air bubbles"? Me think you got your water level in the sump too low. If this is the case, just add more water and the tank would be OK.
Minh