pH Testing Pen pebeo-acrylique All the richness of watercolor

All the richness of watercolor in a single set

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

while improving your precision and focus

but has called Montréal his home since 2011

top-quality gum arabic

pH Testing Pen pebeo-acrylique All the richness of watercolorThe 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.