Cheap And Discounts Handheld 0-100% Salinity Aquarium ATC Refractometer 1.000-1.070SG Salinity Seawater Salinometer For Aquarium Wholesale. Buy Directly From Merchant E-Yogo mall. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.