POPETPOP Aquarium Fish Tank Glass Hydrometer: High Precision Salinity Hydrometer Glass Salimeter Sea Water Densitometer for Aquarium
- After use, soak this saltwater meter in mild acid ( vinegar ) for 30 minutes, rinse with tap water and air dry..
- Made of glass materials, safe and durable, with excellent texture..
- High sensitivity probe for more accurate measurement and more practical use..
- You can test your marine aquariums salt level, provide an accurate test result..
- Fine iron sand in the tool, particle symmetry, measurement more accurate..