Tenax TeClean Stain Remover Poultice Powder 8 oz - Dynamic Stone Tools, Inc.
ITALIAN CRAFTSMAN® MARBLE POULTICE, Eastern Marble & Granite
DIY // How to Remove Stains from Marble Surfaces using a Homemade Poultice — The Grit and Polish
Amazon.com: SAC Poultice Powder (2.2 Lb) Powder to remove organic stains such as oil, grease, butter and other non-acid stains from most marble, granite, travertine, limestone & other porous natural stones :
StonePro Wet Poultice Stain Remover (81-1FM): Wet Poultice Stone Pro | J. Racenstein Company, LLC