Aquariums Hydrometer with Thermometers Salinities Tester for Marine Saltwater FishTanks Mariculture

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 belowthe green indicators is required ; If waterlevel rise 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