I use red sea salt all the time, I use it for my aquarium. I have no problems with the product, my problems are related to the packaging or the delivery service. The container is cracked, and if the salt has a chance to pull some moisture out of the air, it will turn into a hard brick. I was able to break up the salt and put it in another container I had, but that defeats the purpose of ordering it in its own airtight container.
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