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Main image of Digital Salinity Meter 3-in-1 Saltwater Tester Specific Gravity, Salinity & Temperature Pen Hydrometer, High Accuracy Water Quality Tester for Aquarium, Marine, Pool, Hydroponics, Aquaculture

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Digital Salinity Meter 3-in-1 Saltwater Tester Specific Gravity, Salinity & Temperature Pen Hydrometer, High Accuracy Water Quality Tester for Aquarium, Marine, Pool, Hydroponics, Aquaculture

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Smart & Easy to Use Backlit LCD screen for clear readings, automatic temperature compensation (ATC), and audible beeps at the start and finish of testing. Designed for quick, hassle-free measurements.
3-in-1 Salinity Testing Measures Specific Gravity (1.0001.045), Salinity (055 ppt), and Temperature (199 °C). Perfect for aquariums, marine reef tanks, swimming pools, hydroponics, aquaculture, and more.
High Accuracy & Resolution Specific Gravity resolution 0.001 (±0.002), Salinity 0.1 ppt (±1 ppt), and Temperature ±1 °C. Detects even subtle water quality changes for reliable monitoring.

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Auto Power-Saving Design Turns off automatically after 60 seconds of inactivity. Low battery indicator ensures uninterrupted testing. Powered by 2 × AAA batteries for convenience.
Portable & Durable Build Compact pen-type body fits easily in one hand. Life waterproof design makes it ideal for both indoor lab work and outdoor field testing. Carry anywhere for instant, accurate water measurements.

Additional Information
First Listed on Newegg	April 10, 2026

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Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Group Can Trading Limited Return Policy

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Item#: 9SIC50CKUY5094