A Ann New member Jun 25, 2009 #1 hermit crabs, 4" deep of live sand in a 90 gallon tank. What can be causing the dust like particles I see in the tank? I have a sump and protein skimmer running but I cannot seem to figure out what this can be and is this normal?
hermit crabs, 4" deep of live sand in a 90 gallon tank. What can be causing the dust like particles I see in the tank? I have a sump and protein skimmer running but I cannot seem to figure out what this can be and is this normal?
