DIIOOMIEEU Accurate Hydrometer Salinity Meter for Aquarium Fish for Marine Sea Saltwater for Aquarium Aquaculture Water Marine
$7.88
Features
Go underwater 15 for cm () depth to avoid errors caused by inhalation of oil film on the top of water.
Keeping your hands to of seawater in the fish for .
Readable and accuracy can up to ± 0.002 unit.
Simple and more readings.
After each use, wash with water.
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