Specification :

Prawn-Vit represent the functioning microbe prebiotik quicken the process moulting of prawn and race the prawn growth, degrading death storey;level during a period to conservancy, quickening a period of crop and lessen the production cost, maintaining the quality of water and deodorize stinking at pool, despitefully also function as adder Iust to eat of prawn and prevent the stress.