Quote:
Originally Posted by kungfuturkey
Lastly claybar is a necessity to make any wax last because it pulls out under paint contaminants.
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....to clarify, it helps remove
above surface contamination. For embedded material (i.e. ferrous contamination causing re-occurring rust blooms), a decontamination product like Valugard ABC is more effective for dissolving and/or dislodging that type of material.