Turns out it was textbook windex poisoning :( Its all been my fault. I had no idea. I stupidly relied on someone who told me it was safe to use on the outside of tanks. :( 19 fish still remain. Hoping they pull through. My poor tank
I desperately need help with my tank. I have a 36 gallon community freshwater tank. My water has been tested twice with normal results. My heater is set at 78 degrees. Filters and air stone are on and working. Lighting is on a 12 hours timer. No new fish/plants have been introduced recently. Yet...