Is this safe to put in my tank?

Tain't fresh, and tain't marine! Talk about brackish setups.
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Raphael
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Is this safe to put in my tank?

Post by Raphael »

I have received this type of mineral rock with crystals. I was wondering if it is safe to put in my brackish tank.
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RTR
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Post by RTR »

I cannot remember the mineral composition, but have an idea that it will at least fairly soluble. I would not use this in a tank without knowing a lot more.
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Sari
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Post by Sari »

barite or gypsum (probably?) with sand inclusions.... definitely water soluble.
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