crushed coral for oscar

[mynamzmudd]

is crushed coral ok for an oscar or is the PH going to be too high from it?

[Northernguy]

If your ph is between 6.5 and 7 it should be fine.
Here is some info.
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[Red]

You could have ph up to 7.8 with oscars, anything higher might not be the best for the fish.

[fishbum]

What is your PH now,and why do you want to increase it?