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Aqua One Glass Hydrometer





Product Description

Use the Aqua One Glass Hydrometer to measure the density of salt within your aquarium.


The Aqua One Glass Hydrometer allows easy and accurate readings of temperature and specific gravity.


The green indicators show the safe range of salt water aquariums for level of salt and for temperature.


DIRECTIONS FOR USE: Place the hydrometer at the opposite end of the aquarium to the heater (if installed). If the green indicator is below the water level more salt water is required. If the green indicator is above the water level more fresh water is required. DO NOT add unmixed synthetic salt to an aquarium containing live stock.