Enhance anti-stress ability of fish and shrim, the stess may caused by rain, Item No: XDJ-5006Product Name: Gao Neng ... Enhance anti-stress ability of fish and shrim, the stess may caused by rain, typhoons, the water changing, fishing, medicine and other environmental ... Characters: white or light yellow powderUsage and dosage: for external use: according to 3000 grams / hectare / m water depth, that is ...