🧠 What Are Cleaning Agents? Cleaning agents are substances used to remove dirt, grease, stains, and microorganisms  from surfaces.They come in different chemical types — each designed to break down specific kinds of dirt or residue. Choosing the right cleaner isn’t just about brand — it’s about pH balance . The pH scale (0 to 14) determines whether a cleaner is acidic, neutral, or alkaline . 🧪 1. Acidic Cleaning Agents (pH 0–6) Best for:  Removing mineral deposits, rust, so