Review on π JOR Refractometer: Accurate Dual-Range Scale Device for Measuring Salinity and Specific Gravity in Saltwater Aquariums and Reef Tanks - No Batteries Needed! by Born Waheed
How about this, it works!
Only bought this because it was cheap. I figured if it didn't work or was inaccurate I wasted $8. But I've used it a few times and compared it to a friend's refractometer and it showed the same measurements. We'll see in the long run, but so far it's working very well! It's durable and comes with everything you need. Just follow the instructions and you will get really accurate results!
- β GUARANTEES ACCURATE MEASUREMENTS --- Forget guesswork and guesswork. This handy refractometer features automatic temperature compensation that provides accurate, quick and easy readings.
- Questionable purchase for the elderly
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