A MAKING METHOD OF FISH FARM CLEAN WATER DRUGS

摘要

A method of manufacturing a water quality improver for a fish farm is provided to make good environment for habitation of fish by improving the quality of water of the fish farm. A method of manufacturing a water quality improver for a fish farm comprises the following steps of: pulverizing, selecting and drying naturally illite and limestone; plasticizing the limestone in a furnace after drying the illite in a drying furnace; pulverizing the dried illied and the limestone into calcium carbonate powder and fine mineral powder; pulverizing the plasticized shellfish shells or oyster shells; mixing 60~64 weight % of illite powder, 29~32 weight % of calcium carbonate powder, and 7~8 weight % of the calcium carbonate powder in a mixer; molding a mixture; and packing the molded mixture.