IMPROVER FOR BOTTOM SAND OF CULTURE POND AND METHOD FOR IMPROVING BOTTOM SAND

摘要

PURPOSE:To obtain the subject improver for bottom sand, containing a hydrogen peroxide adduct or peroxide, soluble in water and producing hydrogen peroxide and capable of efficiently decomposing, peeling and removing oozy organic substances depositing and sticking to culture ponds for prawns in a short time. CONSTITUTION:The objective improver for bottom sand containing a hydrogen peroxide adduct or peroxide (e.g. acid potassium persulfate), soluble in water and producing hydrogen peroxide in preferably 0.1-6wt.% concentration. The aforementioned improver is scattered on, e.g. previously plowed bottom sand and allowed to stand for 2-15hr to carry out purification treatment.