I have a 72 gallon Bowfront Reef tank. It is important to have the right levels of magnesium for proper calcium and alkalinity stability. This test kit is accurate, easy to use and read. During my first test I had no problems. That fits right in with the test I took at our state college. I was relieved to see that my test was identical to the state test. Imagine my relief when I saw that I had reached a prosperous and healthy environment. Long live the Netherlands! π
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