are these rocks okay to put in my aqaurium?! - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 01-31-2012, 03:28 AM Thread Starter
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are these rocks okay to put in my aqaurium?!

I went hiking in Woodville Mississippi this past weekend and found these rocks in a creek. Can anyone identify them? or tell me if you think they are alright to put in my tank?
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post #2 of 3 (permalink) Old 01-31-2012, 04:43 AM
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you can drop vinegar on them to get a rough idea, the other way would be to drop them in water that has a known GH and KH, and let it sit for a few weeks and measure if there is a change. If there is a change, then you might not want to use them.
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post #3 of 3 (permalink) Old 01-31-2012, 05:33 AM Thread Starter
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Oh alright thanks Noahma! I gave them the vinegar test and I didn't see any bubbles or fizzing, but I shall try the GH and KH test just to make sure
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