can I use this to test road brine concentration? (calcium chloride)

i don’t see why not…any saltwater could be tested for its saltiness.

where will this be shipped from?

Hello. These items will be shipped from US Amazon warehouse.

Is this product accurate enough to test well water for salinity?

Yes, this salinity refractometer can measure salt water or salinity of water, ideal for aquariums and marine monitoring. It's accurate.

when calibrating to 0, what counts as distilled or fresh water?

After doing some research, apparently you don’t want to calibrate to 0. The reason for the 35ppt calibration fluid is it will lose accuracy the further away you get away from the calibration level. So you want to calibrate as close to the level that you plant to use it at as possible.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Salinity Refractometer for Aquarium Marine Seawater Fishkeeping Saltwater Refractometer Dual Scale Specific Gravity Salinity Tester Hydrometer 0-100 PPT& 1.000-1.070 Optics Salinity Meter with ATC

Product ID: 348901478

⚖️Dual scale: 0-100 PPT & 1.000-1.070 SG

🌡️ATC for precise temp-compensated readings

🛡️Durable aluminum & ABS rubber build

$36.10

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Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌊 Measure like a pro, keep your marine world flawless!

RUGGED RELIABLE - Crafted from anti-rust aluminum and abrasion-resistant ABS rubber for long-lasting, worry-free use.
DUAL SCALE PRECISION - Get instant salinity & specific gravity readings in one go—no guesswork, just accuracy.
USER FRIENDLY DESIGN - Simple 2-3 drop sample test with clear optics—calibrate once, measure confidently every time.
VERSATILE MARINE USE - Perfect for aquariums, marine monitoring, fishkeeping, and saltwater pools—your all-in-one salinity sidekick.
AUTOMATIC TEMPERATURE COMPENSATION - ATC tech ensures your results stay rock-solid regardless of water temp fluctuations.

This Salinity Refractometer offers dual-scale measurement (0-100 PPT & 1.000-1.070 specific gravity) with automatic temperature compensation for precise, reliable salinity readings. Built with durable aluminum and ABS rubber, it’s designed for aquarium enthusiasts and marine professionals seeking quick, accurate water quality checks in a portable, easy-to-use device.

Specifications

ASIN	B08TJ28XC1
Batteries Included	No
Customer Reviews	4.4 4.4 out of 5 stars (561)
Date First Available	26 March 2021
Item Weight	260 g
Number of Items	1
Package Dimensions	20.5 x 8.4 x 5.4 cm; 260 g
Quantity	1
Size	1 Count (Pack of 1)
batteries required	No

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$36.10

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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