Northcote Pottery Terracotta Clay 10kg Brand_Northcote Pottery You can use them without

You can use them without hazardous solvents - they're happy being thinned down and cleaned up with water

Do not add medium or water directly to the jar

Note: Though more expensive

Traditionally the gutta is removed once the painting is complete

Northcote Pottery Terracotta Clay 10kg Brand_Northcote Pottery You can use them withoutNorthcote Pottery Terracotta Clay is a strong, general purpose clay. It is smooth enough for throwing and with enough strength for hand building purposes. It is also an excellent clay for school use. Fire at 1100 1150 degrees to harden. To avoid drying out, keep unused clay in an airtight container.