Features: For SaltWater / Marine Aquariums. Easy to use. Measure both Temperature of the water. Green indicators for water temperature and specific for most SaltWater / marine aquariums. Instruction:Place the hydrometer into water, If water level belowthe green indicators is required; If water level above green indicators mean more SaltWater is required. Specifications: Component:Glass Color: As the picture shows Size:20cm/7.87" Package Includes: 1 Pc Aquariums Glass Float Hydrometer note: 1.Please allow 1-2cm errors due to manual measurement, note that you donot mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.
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