The present invention is a water vapor activation treatment device installed on a ship, comprising: an acid tank in which acidic water is stored； Alkaline tank in which alkaline water is stored； A medicine container that is filled with sea water and into which the water seaweed collected from the water seaweed collecting device is temporarily injected； A pH sensor measuring the pH concentration of seawater stored in the medicine container； And a control panel for controlling the supply of acidic water in the acidic tank or alkaline water in the alkali tank to the medicine container according to the pH concentration of seawater measured by the pH sensor.본 발명은 선박에 설치되는 물김 활성화 처리 장치로서, 산성수가 저장된 산성조； 알칼리수가 저장된 알칼리조； 해수가 채워지며 물김채취장치에서 채취된 물김이 일시적으로 투입되는 약통； 상기 약통에 저장된 해수의 pH 농도를 측정하는 pH센서； 및 상기 pH센서에서 측정된 해수의 pH 농도에 따라 상기 약통으로 상기 산성조의 산성수 또는 알칼리조의 알칼리수를 공급하도록 제어하는 제어반；을 포함한다.
