Underwater animal menace foaming Characteristic solid

摘要

PROBLEM TO BE SOLVED: To provide a foamable solid for threatening an aquatic animal which is a foaming body for threatening a fish group, and also is suitable for threatening the fish group at comparatively deep water depth.;SOLUTION: This foamable solid 5 for threatening the aquatic animal is the foamable solid 6 comprising sodium bicarbonate and at least one acid selected from a carboxylic acid or a hydroxycarboxylic acid as essential materials, and having a foaming retarded arranged at the periphery of the foamable solid 6 and for retarding the foaming of the foamable solid 6 when cast into the sea.;COPYRIGHT: (C)2002,JPO