Ade Advanced Optics Dual Scale Salinity Refractometer (1.0-1.070 S.G.) for Aquariums & Seawater Review

I love how super easy it is! The case was a bonus. I had no problems with packaging or delivery time. Right before I bought this I made the mistake of listening to the guy at the aquarium store. He sold me this little stick in the aquarium, a salinity tester. It looked like the one with the "hand". In any case, this thing didn't stick to the tank and didn't give me an accurate reading. This helped acclimatize my sailing mollies to my aquarium's salinity but was useless for accurate…

Great quality. The LFS store sold the exact same thing for $79! Came with a very nice canvas case, dropper, mini screwdriver, cleaning cloth and instructions. I'm only giving it 4 stars instead of 5 because of the instructions. Nothing tells you exactly how to calibrate it. So here are the steps: 1. Remove the small cap from the pin behind the pointed part and prepare a screwdriver2. Take a few drops of reverse osmosis water, open the top of the slide area and drip onto the slide (tap water…

Tested today and found it reads RO/DI water accurately at 1,000 so it was good. Since no instructions were included, I turned to the forums for usage/size details. This led me to realize that this is actually a SALINITY refractometer as stated in the description but slightly different than the SEAWATER refractometer. This introduces a slight error in the actual seawater reading, as this really only applies to sodium chloride solutions. This can be corrected by calibrating it with a solution of…