Based on my experience, this hydrometer is an excellent tool for monitoring salt levels in my aquarium. The build quality is impressive and it is very easy to use. The results are accurate and consistent every time. The product is also very affordable and a great value for its quality. The only downside I can think of is that it requires calibration before each use, but the process is quick and simple. I highly recommend this product to any aquarium enthusiast looking for reliable and affordable pet supplies.
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