... meet the level of farming technology, launched a water quality improvement, nutrition regulator , Non-toxic, non ... and clams. It is featured by pond-fattening, water-fertilizing, oxygen-increasing, disease-resistance and nutritional supplement. ... vitamins, etc.Scope: All kinds of sea water or fresh water breeding fish, shrimp, crabs, shellfish, algae, ... see box N.W: 5kg/drum 100% Natural Feed additive