aquafreak
Aquarium Advice Freak
...got this oil slick on the surface of my aquarium....skimming 24/7, water added daily (RO/DI with less than 10 ppm), all unwanted algae is down, feeding is light (I think), et. al.
Does it just need a water change? How do I get rid of the oil slick?
Filter: overflow sump/bioballs/live rock
Does it just need a water change? How do I get rid of the oil slick?
Filter: overflow sump/bioballs/live rock