The Quick and Dirty Guide to Acid Base Balance This is all Acid-Base balance means. ACIDIC - TOO MUCH ACID - Lower than 7 means that there is too much acid in your system. NORMAL - Just right! pH between 7 and 7 is perfect for homeostasis. ALKALINE - NOT ENOUGH ACID - It just means NOT acidic enough. pH higher than 7 is considered Alkaline. Perfecting your acid-base balancing act - American Nurse Today Regulating acid-base balance. Three regulating systems maintain the body’s pH: chemical buffers, the respiratory system, and the renal system. Chemical buffers, substances that combine with excess acids or bases, act immediately to maintain pH and are the body’s most efficient pH-balancing force.