Hi all, it’s been a while. I’m interested in setting up a freshwater Australian fish tank, and need some species suggestions. My current tank is 61.5cm long, 38cm tall and 31cm wide, so holds about 72 litres in total. The local water hardness is around 15-20mg/L, and I think the pH is a tad acidic, though I will have to test in the morning to get the exact value. Any recommendations are much appreciated.