today i bought 2 otos and a german blue ram...i place all three in my QT with a heater, algae filled rock and filter with mature media from main filter...now after 4 hrs, 1 of my oto looks like its not gonna make it through the night....it is swimming up to the surface for air...then it will suddenly stop moving and sink down vertically and will start swimming about frantically and repeating the whole process...the other oto however is clinging to the rock for the algae...the ram is also doing good...i also added some blackwater extract...ammonmia: 0 nitite: 0 nitrate: o