NANBEI Salinity Refractometer with ATC,Saltwater Aquariums Dual Scale 0-100 PPT & Specific Gravity 1.000-1.070 Salinity Tester,for Marine Monitoring,Fish Farming,Pool Hydrometer Meter
£22.66
This product is ideal for marine aquarium owners and professionals who regularly monitor the salinity levels of their saltwater aquariums, making it a great tool for fish farming and pool hydrometers as well.
