The choice between a fine or medium clay mitt depends on the level of contamination on your vehicle’s surface and how frequently you plan to use the mitt.

Here are some guidelines to help you decide:

Fine Clay Mitt

• Use For: Light contamination such as dust, minor overspray, light tar spots, and routine maintenance.
• Advantages: Less abrasive, reduces the risk of marring or scratching the paint. Suitable for regular use and maintaining a well-kept vehicle.
• Ideal For: Vehicles that are regularly washed and detailed, or for use on sensitive surfaces such as freshly polished paint.

Medium Clay Mitt

• Use For: Moderate to heavy contamination including heavy overspray, industrial fallout, tree sap, and embedded dirt.
• Advantages: More effective at removing stubborn contaminants that a fine clay mitt may struggle with.
• Ideal For: Vehicles that have not been detailed for a long time, have been exposed to harsh environmental conditions, or have significant surface contamination.

Summary

• Fine Clay Mitt: Best for regular maintenance and light contamination. Safer for frequent use and less likely to cause surface damage.
• Medium Clay Mitt: Best for tackling moderate to heavy contamination. More effective at removing stubborn contaminants but may require more caution to avoid potential marring.

If you’re unsure, starting with a fine clay mitt and assessing its effectiveness is a good approach. If the fine mitt doesn’t adequately remove the contaminants, you can then move up to a medium clay mitt. Always ensure to use proper lubrication and gentle techniques to minimize any risk of damage.