boxtech Aquarium Marine Test, Sea Saltwater Hydrometer, Reef Ocean Hydrometer Salinity Meter for Pool Aquarium Water Salinity Specific Gravity Test

The boxtech Aquarium Marine Test Salinity Meter is a convenient tool for testing the salinity and specific gravity of pool aquarium water. However, customer reviews indicate that this product may not be accurate and reliable. Some customers experienced inconsistent readings and found that the meter did not change even when adjusting the salinity. This could be problematic for those who need precise measurements for sensitive marine animals. On the positive side, customers appreciated the clear instructions and ease of use. The meter is compact, waterproof, and does not require a sensor wire. Overall, while this product has potential, it may be worth considering alternatives to ensure accurate readings for maintaining a healthy aquatic environment.