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Old 05-24-2014, 03:08 PM   #1
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How Often Should I Replace Crushed Coral?

Hello! The pH of my tank recently dropped to 6.0, so I did daily water changes to try and bring it up. The best I could get was a pH of 6.8, so I went and bought some crushed coral. I put it in the 2 media containers that were included with the Emperor 400 filter, and was wondering how often I should replace it. Right now it has been in for 4 days and the pH is perfect. Should I just replace it when I see the pH go down?
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Old 05-24-2014, 04:45 PM   #2
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The crushed coral is dissolving slowly buffering the water. It should take quite a while before you need to add more.
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Old 05-24-2014, 04:59 PM   #3
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Alright, thank you!!
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Old 05-25-2014, 08:46 AM   #4
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How Often Should I Replace Crushed Coral?

Can I ask if it has made much difference to ph? Either ph up or more stable?

Edit - test
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