Underwater organism growth medium and method for producing underwater organism growth medium

摘要

PROBLEM TO BE SOLVED: To provide an aquatic organism growth medium supplied with sufficient nutrients such as many kinds of amino acid necessary for the growth of an aquatic organism.SOLUTION: An aquatic organism growth medium is formed by solidification of cement 6, aggregate, and sand 5. At least part of the aggregate is composed of nutrient supply aggregate 3 in which a porous member is impregnated with nutrients for an aquatic organism, and the external surface of the porous member is covered by a coating layer 2 to suppress elution of the nutrients in water.