A food washing apparatus (1) is a washing apparatus for washing food using electrolyzed water, comprising a washing tank (10) containing food as an object to be cleaned and supplied with electrolytic water, a washing period And a measurement container (30) into which the electrolytic water flowing out from the washing tank (10) flows, wherein the degree of progress of cleaning is determined according to the degree of decrease in the effective chlorine concentration of the electrolytic water accumulated in the measurement container (30) I made it possible.食品洗浄装置(1)は、電解水を用いて食品を洗浄する洗浄装置であって、被洗浄物としての食品を収容し、電解水が供給される洗浄タンク(10)と、食品の洗浄期間に洗浄タンク(10)から流出した電解水が流入する測定容器(30)とを備え、測定容器(30)に溜まった電解水の有効塩素濃度の低下度合に応じて、洗浄の進行度合を判定できるようにした。
