× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Fingernail brush
Posted to Open Discussion Forum on 7/13/2025

[...trimmed text...]

Try this, 3 parts Blue Dawn and 1 part white sugar. You get the abrasive action like pumice or walnut hull and it won't clog pipes because any water going down the drain dissolves it. The sugar will ... Login to read more.