Hello, I have two 3 inch EBAs whose health has plummeted in the past two days. All other fish appear normal.
75 gallon tank, sand substrate, 78 degrees. 0 ammonia, 0 nitrite, 20 nitrate and ph 7.8.
2x EBA, 1 heckelii, 1 severum, 1 BGK, 7 Congo tetras, 1 jewel cichlid. All are juveniles except...