Features
Accurate testing results guaranteed
Durable and bulit to last long
Adjustable manual focusing
Equipped with scale measurement which provides direct reading
Use ambient light only which means battery or power source is not required
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Aquarium Hydrometers - Aquariums Glass Hydrometer with Thermometers Salinities Tester for Marine Saltwater FishTanks Mariculture Aquariums Light Thermometers Plant Sand Decorations Filter FishTanks Filter Decorations Light
