Is this any use for hydroponics?

It is used for testing the salt water fish tank.

I want to test the brackish canal water to see if i can use it for irrigation. will this tester work? I was told to check the salinity of the canal

Yes, brackish water ranges between 0. 05 to 30 PPT

What does this come with

All you get is the refractometer, case and a small screwdriver for adjusting it. Unless they have added something since we bought ours about a year ago. It will not let me post a picture or I would.

Hi, i bought a calibrating fluid and calibrated my refractometer to sg 1.026 but when i test it on distilled water it reads 1.010. why is that?

According to R Homes Farleys article this is because this refractometer was made to measure pure salt solutions and they don’t have the exact reflective index of sea water that has some additional elements. Therefore calibrating with a solution that matches the reflectivity of seawater at 35ppt is needed and once done it will not measure distilled or Rodi water accurately. But you will have a more accurate measurement for your salt water aquarium.

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Description

🌟 Dive into Precision with Every Drop!

BUILT TO LAST - Crafted from durable chromium, this refractometer is designed for long-term use in any marine environment.
DUAL MEASUREMENT SCALES - Easily switch between Specific Gravity and parts per thousand for versatile monitoring.
COMPLETE KIT FOR CONVENIENCE - Includes hard case, dropper, screwdriver, user manual, and cleaning cloth for all your needs.
PRECISION AT YOUR FINGERTIPS - Accurate salinity measurements from 0-100 PPT for optimal marine health.
AUTOMATIC TEMPERATURE COMPENSATION - Ensures reliable readings regardless of temperature fluctuations.

The Salinity Refractometer is an essential tool for marine fishkeeping enthusiasts, providing precise salinity measurements from 0-100 PPT. With dual measurement scales and automatic temperature compensation, it ensures accurate readings in any condition. The durable chromium construction and complete accessory kit make it a reliable choice for both hobbyists and professionals.

Reviews

T**B

For the price, it seems to work.

This thing was so inexpensive and it seems to be accurate. Only thing is that it loses calibration quickly. Not sure why. Does the screw come loose just sitting in the case? I just calibrate it quickly with some calibration solution. Kinda annoying, but hey this thing was so inexpensive.

26.05.2025

J**S

Excellent Salinity Refractometer – Accurate, Durable, and Easy to Use

This is a great product! The readings are accurate and very easy to read, even for beginners. The instructions included were clear and helpful, making setup and calibration simple. It also comes with a strong, protective case that keeps the refractometer safe when not in use — a really nice touch for long-term durability. Absolutely no complaints here. Highly recommend for anyone working with seawater or saltwater aquariums.

5.07.2025

J**R

Recommended

Works great and good price

14.09.2025

D**N

Salinity tester

This is an accurate device for determining salinity. It is easy to use. It was recommended by .y aquarium maintenance professional.

21.09.2025

ℳ**ℳ

Buy calibration solution also

This is to measure the specific gravity of my reef tank. Initially I followed instructions and used RO/DI water as calibration solution and then I was surprised to see my tank having 1.37 specific gravity, lol. So lesson learned I bought refractometer calibration solution and the device worked well from that point on.

10.07.2025

G**L

Excellent Quality

Easy to calibrate and use. Clear instructions.

13.09.2025

A**R

Easy to use

So easy to use and more accurate than the cheap plastic junk. Its a must have for saltwater starters

21.09.2025

N**

Accurate

Way cheaper than the one from petco and does the job.

21.08.2025

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