Features
For SaltWater / Marine Aquariums.
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.
Package includes: 1 Pc Aquariums Glass Float Hydrometer
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