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Do you use it at every water change or only when needed?
I ask this because I have noticed for some odd reason that sometimes I do a water change (usually 25%) and the pH drops and other times it doesn't. If it doesn't drop I don't want to add more buffer and get it any higher, but when it does drop I add the buffer.
Does this seem like a good tactic?
I just don't understand why it's only needed sometimes... perhaps my tap water fluctuates?
How harmful is it to mbuna if the pH fluctuates a few points from time to time?
I ask this because I have noticed for some odd reason that sometimes I do a water change (usually 25%) and the pH drops and other times it doesn't. If it doesn't drop I don't want to add more buffer and get it any higher, but when it does drop I add the buffer.
Does this seem like a good tactic?
I just don't understand why it's only needed sometimes... perhaps my tap water fluctuates?
How harmful is it to mbuna if the pH fluctuates a few points from time to time?