Refractometer for salinity, was able to measure salt content of my salt water fish tank.
Verified purchase: Yes | Condition: New
Looks well built for the money. Make sure your RODI water is the same temperature as your tank water or you'll be complaining about "losing calibration".
Verified purchase: Yes | Condition: New
they work great just wish numbers where a hair bigger i wear bifocals and can barely read it
Verified purchase: Yes | Condition: New
Works fine for my saltwater reef tank. Range makes it slightly hard to read the final exact number but you can do it with some effort. Seem like it is made of high quality materials. I hope it will last.
Verified purchase: Yes | Condition: New
Very accurate and holds calibration well. Very easy to use and clear visual scale.
Verified purchase: Yes | Condition: New
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