Zerodis Sea Hydrometer Salinity Specific Gravity Test Concentration Aquarium Testing Tool for Fish Tank Water Marine Saltwater(#1)

Precise Salinity & Specific Gravity Measurement: This sea hydrometer accurately measures salinity and specific gravity for marine, reef, and brackish water aquariums, ensuring optimal water conditions for your aquatic life. Clearly Marked Full Scale for Easy Reading: Features an easy-to-read full scale with clearly indicated safe zones, allowing for quick and accurate assessment of your tank's water quality without complicated procedures. Automatic Level Function for Accuracy: Designed with an automatic level function, this hydrometer helps eliminate reading errors by self-adjusting, providing reliable and consistent results for both freshwater and saltwater testing. Durable, Waterproof, and Easy to Use: Constructed from durable, waterproof materials, this compact and portable salinity tester requires no sensor wire and delivers fast, temperature-corrected readings for hassle-free daily use. Reliable Quality with Customer Support: Each unit undergoes strict quality checks to ensure durability and precision. If you have any questions, our customer support team is available 24/7 via email to assist you.