1. Functions: - Prevent and cure some diseases for shrimp. - Eliminate the bad smell at the bottom of pond, decrease a large amount of toxic gas as H2S, NH3. - Supply vitamins; increase the ability of food assimilation and absorption. 2. Usage: - Spraying CTA-8T on surface of pond with percentage of 2ml-3ml / m3 water, spraying continuously for 3-5 days in the early morning or dusk. - Using when shrimp have diseased sign: Mixing CTA-T into food, with rate of 1% -3% of food weight, keep from 8 to 12 hours, using periodically 3-5 day / feeding time