harlequinrasboras

Tank size: 54l, 60x30x30 cm tank age: Fully cycled, one full week with fish pH: 6 ammonia:none nitrite:0 nitrate:<10 mg/l kH:20od gH:>4od tank temp:24 degrees celcius Fish Symptoms (include full description including lesion, color, location, fish behavior): One fish was swimming strangely...

Hey guys,  So I started a new tank over a week ago now, and I couldn't contain my excitement. I received a 44 gallon tank (bare) as a christmas gift. I bought a filter, heater, rocks (substrate) and starter kit for my new tank and started cycling it. The next day, I added 3 harlequin rasboras...