Can I add magnesium tablets to my water?

Hi! I though maybe make it into a powder and add to my water since my calmag is empty and the new one is late I thiught I can do something like that! The deficiency is getting worse so I need to do something

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Got some pics?



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Hobbes said:

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Got some pics?



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I had a few mag def I know it it a def. My question is still whats above. Please help