... with low drug costs, make the best of easy, rapid detoxification, no residual injury, high turnover, etc., not only can kill a variety ... the entire pool, not only can kill the fish was and gills of the pathogen, but also can kill the parasites (eggs). Best stick with the 2 ... you within 24 hours. 2012 Newst high efficiency tea seed-the best material for Aquaculture