Gravel and KH Warning PLEASE READ! - The Planted Tank Forum
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post #1 of 3 (permalink) Old 10-01-2012, 03:39 PM Thread Starter
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Gravel and KH Warning PLEASE READ!

So I did a bit of an experiment, and found out that my aquarium gravel WAS raising the KH! This is gravel that was bought at a pet store (I don't remember the exact brand). As a warning to all of you, test your gravel (by putting it in RO water) to see if it raises the KH/Gh. Just because it is ''aquarium'' gravel doesn't mean it will not affect your water chemistry.
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post #2 of 3 (permalink) Old 10-01-2012, 04:43 PM
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Thanks for the information, I am trying to switch all my tanks to a plant substrate. Hopefully it is soon as I have moderate hard water, I don't need my water even harder.
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post #3 of 3 (permalink) Old 10-02-2012, 02:07 AM
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Could you please post a picture of it?

Is the golden/brown river rocks or black gravel?
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