Lily Brown Glass Aquarium Hydrometer with Built-in Thermometer Marine Floating Water Salinity Tester Range 1.000-1.060 7.87in Aquarium Heater Light Thermometers Gravel Sand Decorations
by Lily Brown
- Easy to use., Measure both Temperature and Specific of the water., Green indicators are for ideal range of water temperature and specific for most water / marine aquariums., For Water / Marine Aquariums., Instruction:Place the hydrometer into water, and let it flow freely in the water; If water level below the green means more for water is required; If water level the green means more water is required.
