According to my experience, this product is a must-have for anyone looking to improve the water quality in their freshwater aquarium. The 0 0 20 0Mg formula effectively dissolves and enhances the water chemistry, promoting healthy plant growth and maintaining crystal-clear water. The substance analysis instrumentation is top-notch ensuring accurate measurement and consistent results. The only con is that it may be a bit pricey compared to other options on the market.Overall, a great investment FSee full review