Coconut water is actually slightly acidic. It has a pH of between 5 and 5.4, which falls on the acidic side of the neutral range (7 being neutral). So while it might taste refreshing, it has some mild acidity.
acid
acid
acid
Acid
Acid
base
lime juice is an acid, not a base
Surfer on Acid
it a base
Lemon juice is acidic.
They are both acidic
The pH of apple juice is 3. It is an acid.