Review on 🐠 Hydrometer for Aquariums: Automatic Temperature Compensation, Sea Water Salt Salinity Refractometer. Dual Scale (0% - 10% & 1.0 to 1.070 S.g.) by Adeadvancedoptics by Joe Glass

Very good value for money. Especially when you consider that the price of this hydrometer is not much more than that of the old needle floats. (This doesn't work properly). Excellent value for money Pro is accurate (best feature). Always measures the same results from the same probe2 cons I found with the device I received. The setting for showing results is blurry when viewed through the viewfinder. With a better setting, the numbers and line level still look blurry. However, once you finally figure it out, everything is up and running. The second minus is in the pivot for the feed. I have to fiddle with it to make it sit properly on the proving ground. Considering the cost of hydrometers I would buy this one again for the $25 price tag.