Hi everyone:)
About a month ago I purchased a 90 litre Aqua One fish tank. In it I have 3 Tiger Oscars, 2 Yellow Cichlids, 1 Red Pleco, 1 Catfish and a Bristle Nose. They are all fairly young and I adore my Oscars...They are the main reason I got the tank. So far so good....except yesterday I...