The Lamongan district area is densely populated with residential areas and fish farms. The high level of pond activity is gradually becoming a threat to the water quality in the surrounding waters and requires special attention, because the threat that occurs can cause fatalities and/or have a negative impact on the physical environment of Lamongan itself. Suitability of water quality in shrimp ponds will play a role in the condition and performance of cultivated shrimp. Indirectly, water quality parameter conditions with stable and ideal concentration levels will have a positive influence on the level of shrimp harvest productivity. The problem faced in carrying out vannamei shrimp rearing activities is the low level of productivity, due to decreased water quality which will cause problems in shrimp pond cultivation. Farmers in Lamongan still have little knowledge about the importance of water quality and the consequences that will arise if water quality gets worse. Apart from that, the limited availability of water quality measuring equipment makes it difficult for farmers to carry out complete water quality checks. Therefore, through this community service activity, the Aquaculture Master's Study Program, Faculty of Fisheries and Marine Sciences, Universitas Brawijaya is trying to solve this problem by providing training on water quality measurements through hybrid workshops and providing water quality measurement tools. The results of this activity were the implementation of hybrid workshop activities and the provision of water quality measurement tools to farmers in the Pond Area 74.2, Kandang Semangkon Village, Kec. Paciran District. Lamongan