reefmaster
Aquarium Advice Activist
Hey, ive had this dirt looking film on top of my water. everything in my tank is fine even my live corals. I have a 30 gallon, 30-40 pounds of live rock 1 arc eyed hawkfish an anemone, clownfish, live coral, and cleaning crew. I did a water change about a week ago so it shouldnt be that dirty. could it be overfeeding? send me some ideas.