Detailed Product Description Applicable symptoms: suitable for prevention and treatment of bacterial diseases and virosis of fish, shrimp, crab, sea cucumber, shellfish and clam in marine and freshwater cultivation, such as gill rot, blood poisoning, ulcer, cephalomeningitis, red body disease and parotitis. Note: the effect will be better if used at 9 a.m. to 16 p.m. in sunny day. Use less when ...