Local Research and Development Institutes, Lower Central Provinces Samut Songkhram Education Center Suan Sunandha Rajabhat University To focus on the measurement of water quality on a regular basis. Within the learning center of raising marine crabs And sea bass Within the Education Center of Samut Songkhram Province Suan Sunandha Rajabhat University Which at present, the raising of sea crab Within the mangrove forest area is extremely fertile. Because there are natural aquatic animals Such as mangroves, pelicans and other aquatic species such as mullet, milkfish, mullet fish, roe fish, live in large numbers. Which has been measured to measure water quality in terms of temperature, pH of the water. Water salinity As well as the increase in the weight of the crab from the abundant natural resources of the mangrove forest