pH Testing Pen pebeo-acrylique and detailed work

and detailed work

All the richness of watercolor in a single set

shimmering touch to your artwork with Golden Heavy Body Iridescent Copper Light (Fine) Acrylic (5

This set contains 24 PITT Pastel Pencils in assorted colours

DeSerres Gift Cards are exchangeable for any product online and in any DeSerres store

pH Testing Pen pebeo-acrylique and detailed workThe Lineco pH Testing Pen is an easy, convenient method for testing pH levels in paper and cardboard. Simply draw a line and instantly determine the answer. The red chlorophenol indicator solution turns a definite purple colour on any paper with a pH of 6. 5 or higher. Any other colour would indicate a material most likely unsuitable for conservation purposes.