It's an 80 Litre tank. The pH is 7.2, kH 3.5, my gH is 18 and I am slowly lowering it. (Less than a point per two weeks.) Amonia is 0, Nitrite 0, and Nitrait was 4 before a water change.
At feeding time he charges around the tank, but seems to struggle to get any food. A flake, or worm will...