Please help, my platy is very sick :(
Tank size: 15 Gallons
pH: 7.6
ammonia: 0
nitrite: 0
nitrate:
kH: 80 (4.48) - 8 drops added to sample of water
gH: 120 (6.72) - 6 drops added to sample of water
tank temp: 80
Fish Symptoms (include full description including lesion, color, location, fish...