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Your cart is empty.The Bluelab ORP Meter is a powerful and reliable tool designed to measure oxidation-reduction potential (ORP), an essential indicator of water quality. ORP measures a solution’s ability to break down unwanted organic materials, making it a crucial factor in hydroponics, agriculture, water treatment, aquariums, and industrial applications. By monitoring ORP levels, you can prevent risks such as biofouling and equipment failure while ensuring compliance with water quality certification standards. This compact and easy-to-use handheld meter features a bright backlit display, allowing for quick and accurate readings even in low-light environments. The replaceable Bluelab ORP Probe (with a BNC connection) ensures long-term reliability, while the KCl-filled probe cap helps maintain hydration for consistent performance. With its 2-meter (6.6-foot) cable, you can effortlessly measure ORP levels in hard-to-reach areas, making it ideal for both small- and large-scale operations. The Bluelab ORP Meter also offers dual compatibility, allowing you to connect a Bluelab pH Probe (sold separately) to transform it into a versatile pH meter for comprehensive water monitoring. Plus, with no ORP calibration required, operation is simple and efficient, letting you focus on maintaining optimal water conditions. Whether you're managing hydroponic systems, ensuring proper disinfection in water treatment facilities, or maintaining a healthy aquatic environment, the Bluelab ORP Meter is an essential tool for achieving consistent, high-quality results.