... Characteristics 1.Have good water current circulation as the making of large aera water wave2. Easy assetment,Operation and mainteinance3. ... saturated ammounia, CO2, methance, sulfuredted hydrogen,etc. go out of the water--the water quality improved.Function Shrimp,eel,fish ... and the healthly and can be avoided to die because of lack of enough disssolved oxygen in the water,meantime, can be farmed ...