The Red Sea Seawater Refractometer is a high-quality salinity measurement instrument specifically designed for marine aquariums and fish tanks. This reliable and accurate tool from the trusted brand Red Sea allows for easy monitoring and control of the salt levels in the water, ensuring the optimal environment for your aquatic pets. With its focus on precision and efficiency, this refractometer is a must-have for any aquarium enthusiast looking to maintain the health and well-being of their underwater inhabitants. New and unused sealed
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