I'm absolutely at a loss for what to do here, and I'd really appreciate any advice you guys can give me.
Tank size: 23 gallons
pH: No test kit
ammonia: 0
nitrite: No test kit
nitrate: 0
kH: 3-4
gH: No test kit
tank temp: 26 degrees Celsius (78.8 degrees Fahrenheit)
Fish Symptoms (include full...