Glass Saltwater Hydrometer with Builtin Thermometers 40-100

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, water belowthe green indicators is required; waterlevel rise green indicators mean more SaltWater is required

Specifications:
Component: Glass
Color: As the picture shows
Size: 20cm / 7.87 "

Package Includes:
1 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