Description
hygger Ocean Hydrometer is accurate, reliable water test equipment, it delivers precise full-range salinity and specific gravity readings. Also includes a built in base so you can rest the hydrometer on a counter top or other flat surface when taking salt readings. 🐟Marine hydrometer: Tests salinity and specific gravity in marine aquariums to help maintain a healthy tank 🐟Easy to Read & Use: Simply dunk in aquarium to fill with water, then set on level surface to read. The easy-to-read swing-arm
