I am essential for harmony, yet too much or too little can disrupt everything. You encounter me in various forms but often overlook my presence. What am I?

Category: Science · Difficulty: hard

Hint: Think about acidity and alkalinity.

Answer

pH balance

Explanation

pH balance refers to the acidity or alkalinity of a solution, crucial in biological and chemical processes.

This is a hard science riddle — a tricky one that takes a little thought. The answer is pH balance.

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