Ok, so I made another post, which is why I am here now. Someone commented that my Cory fishies seemed to be swimming a lot, and as I have never had Cories before, I want to seek some knowledge. I immediately tested my water parameters, which I thought were pristine. Come to find out, my Nitrates were between 20-40 ppm. I did an immediate 30% water change, bringing them down to around 10ppm. I have dosed up with Prime, so I'm assuming all is well? Well, PH is kinda high also, 7.8. Cories are swimming all over, non stop. Any and all advice is appreciated right about now!