Choose the type of detergent based on residue.
| SOILS | Detergent Type |
|---|---|
| Heavy scales | Mineral-acid cleaner (pH 0 - 2) |
| Inorganic salts, water, and soluble metal complexes | Mild acid (pH 2 - 5.5) |
| Light oils, small particulates | Neutral (pH 5.5 - 8.5) |
| Oils, particulates, films | Mild alkaline (pH 8.5 - 11) |
| Oils, fats, proteins | Alkaline (pH 11 - 12.5 |
| Heavy grease, soils | Corrosive Alkaline (pH 12.5 - 14) |
