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Review title: mine wasn't accurate at all
Product review: I set up a saltwater tank about 6 months ago and the LFS recommended this hydrometer to me. I was impressed with the accuracy claim so I didn't think twice about shelling out the money for it. When I started using it to check newly mixed water, I kept finding that the salinity level was lower than it should be. 1.020 instead of 1.024 that the water should have came out at. (Instant Ocean Salt Mix) I kept thinking I was doing something wrong. In the end, I discovered with a refractometer that the hydrometer isn't accurate to .001 like it claims. When the hydrometer said my water was at 1.022, the refractometer showed it to actually be 1.027. I lost several hundred dollars in fish due to this piece of junk. Yes, I did rinse it after each use and rinsed it with tank water before each test, and tested twice.
