Hi, I know live sand is worse than dry sand, but I bought a bag of natures ocean live sand at a fish store because it was really cheap. But, i found out that it was expired when i got home. How much can I add to an established tank? I've been adding a cup every 6-7 days. Can I add more? On the bag, it says to add some every 2-3 days. Is it different since the sand is expired?
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