Tracing Dye, Staining Dye, Marker and Food Dye from Tolbest    Tolbest based in the North West, stock a variety of dyes including tracing dye, staining dye, marker dye, fluorescein dye and food dye and also specialise in drain testing products and drain tracing. Tolbest was formed in 1989 and is recognised as one of the leading dye manufacturers supplying everything from food dyes, tracing dyes and staining dyes to marker dye, fluorescein dye and food dye. Tolbest also specialise in drain testing products and drain tracing with a wide range of sewer clearing and testing equipment you can expect a service second to none. The most commonly known food dye is black P/N. Black P/N food dye is mostly used for staining meat, poultry and general food unfit for human consumption. So for more information on tracing dye, staining dye, marker dye and fluorescine and also all the drain testing products and drain tracing equipment – please visit Tolbests website.