The SunGrow Refractometer is praised for its accuracy and ease of use, but some users reported durability issues and missing instructions. Overall, it's a good value for serious aquarium enthusiasts.
Damaged packaging and non-functioning units.
Users find the refractometer highly accurate for measuring salinity.
The device is simple to calibrate and use, even for beginners.
Many users consider it a good value for the price.
Several users reported damaged packaging and non-functioning units.
Some users did not receive instructions, making it difficult to use.
Some users had problems focusing the refractive index.
Factors: handling, shipping
Yes, it is very easy to calibrate and use. Most users appreciate the simplicity.
No, it only requires a few drops of RO water and simple adjustments
"I've been involved in saltwater fishkeeping for more than 30 years, with occasional breaks. During this time, I relied on a plastic salinity hydrometer, despite its flaws. It often disturbed the fish and could get messy, especially when it dried up and caused the floating needle to become stuck. I'd..."
"The refractometer's case was smashed in shipping, so maybe the refractometer was damaged as well; however, it doesn't appear to have any obvious damage. No matter what I do I cannot see any white on the scale. I'll get the scale in focus (it's entirely blue), then look away for a second and it's out..."
If you're looking for an affordable and accurate refractometer and don't mind potential durability issues, this could be a good choice. Otherwise, consider alternatives with better build quality.
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