Product review for Hydrometer Salinity Meter For Aquarium Marine Sea Saltwater Accurate Rugged Simple Durable

Amazon Price: $4.21 (as of June 19, 2018 7:37 pm - Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

Features:
Go underwater 15 cm (6 inch) depth to avoid errors caused by inhalation of oil film on the top of water.
Keeping your hands clean to prevent contamination of seawater in the fish tank.
Readable and accuracy can up to ¡À 0.001 gravity unit.
Rugged and durable.
Simple and more reliable readings.
Size: 19.2 x 7.6cm.
Note: fit for warm water aquarium (20¡ãC -30¡ãC).
Temperature changes will cause the reading changes.
The accuracy of unit proportion is up to plus or minus 0.001.
1 x Hydrometer.

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