A friend closed down his Marine tank and gave me a bag of crushed coral to use as gravel in the bottom of my tank. My water is already too soft and the pH is below 7.0. Will the coral cause any problems.
caudelfin
caudelfin
mentallylost said:The crushed coral is a good thing for you. It helps to raise the ph. But it really depends on the kind of fish that you want to keep.