·Digital Salinity Tester for Salt Water-Waterproof Salinity Meter. ·Safe Material:Made of high quality plastic,aquarium clear Automatic Accurate Readable SaltWater Hydrometer.Accurate, durable, and easy to read your marine aquarium's salt level and specific gravity,Small and waterproof. ·Size:4.7inx3.5in/120mmx90mm(Length x width) ·Specification:The reading is temperature-corrected and accurate to +/-0.001. The unit of specific gravity is 1. 000-1. 030 (ppt value: 0-40 degrees), the safe area is 1.020-1.023 (ppt value: 27-31 degrees), and the low specific gravity area is 1.000-1.019 (ppt value: 0- 26 degrees), the higher specific gravity area is 1.024-1.030 (ppt value: 32-40 degrees). (Note: PPT value indicates salinity in the outer range of the scale). ·Wide Usage:Fit for brackish and marine aquariums.Perfect for testing both salinity and specific gravity of your brackish and marine tank.Includes solinity and specific grovity scales.Suitable for fresh water and sea water. Easy to Read and Use:The easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result. · Note : Before using the salinity tester for the first time, fill it with warm water and wash it with detergent before using it. After use, immerse the salt water meter in weak acid (vinegar) for 30 minutes, rinse with tap water and air dry.

?Application?The salinity tester can perfectly test the salinity and specific gravity of brackish water and marine fish tanks, including the solubility and specific gravity scale. At the same time, it is very suitable for fresh water and sea water. ?Package contents?1pcs. ?Size?4.7inx3.5in/120mmx90mm(Length x width). ?Material?plastic,which is relatively hard and easy to read the salt and specific gravity of your marine aquarium. ?Product name?Digital Salinity Tester for Salt Water-Waterproof Salinity Meter, suitable for Tester for Seawater, Aquariums, Marine Monitoring, and Koi Fish Pond.

Best Sellers Rank: See Top 100 in Pet Supplies. : B093753PPZ. Manufacturer: NGe. Date First Available: April 22, 2021. Package Dimensions: 8.6 x 5 x 0.5 inches; 3.17 Ounces.