Water Salinity Refractometer, LEERCHUANG Dual Scales Hydrometer: Specific Gravity 1.000-1.070 & ppt 0-100 (1‰ = 1ppt = 1000 ppm), Handheld Seawater Tester for Aquarium, Marine Fish-Keeping, Pool Tank
£17.70
This handheld device is ideal for aquarium hobbyists and marine enthusiasts looking to monitor water salinity levels in their tanks and pools, providing accurate readings with minimal equipment investment.
