Tank size: 29 gallons
tank age: 5 months
pH: ~ 7
ammonia: 0
nitrite:
nitrate:
tank temp: 75 fahrenheit
Fish Symptoms (include full description including lesion, color, location, fish behavior): I had this blue gourami, a dwarf gourami, 5 serpae tetras, 8 neon tetras, a pepper cory, an...