Help Help - What Kind Of Rock Is This?

fishrlene

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I’ve been trying to lower down my pH and I just realized that certain rocks may raise the pH level in an aquarium. Can you please confirm what type of rock this is so I’ll know if it’s the culprit in raising my pH?

Thank you!
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Loetje

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Hi fishrlene,

I dont know, but you can test!
A common geology trick is the 'acid test': get some muriatic acid (not concentrated), and dump a few drops on the rock. If the rock contains carbonates (which raise pH) the rock should bubble.

Good luck!
 

The_fishy

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You could always try putting the rock in a pot and filling it with water. Test the pH, kH, and gH the day you put the rock in and then a day or two later to see if/how it changes.
 




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