If you are shopping for gifts we cannot guarantee shipments will arrive by December 24th.
Current processing times are 1-4 business days plus transit times. If you are local to us, please visit one of our locations. We still have a wonderful array of creative gift ideas for the artist and the artist at heart.
Acidic or alkaline? Now you can distinguish between what paper or board is suitable for conservation with the stroke of a pen. The indicator solution of chlorophenol red will turn a shade of purple on paper with a pH of 6.5 or higher. Any other color would indicate a pH lower than 6.5, thereby acidic and unsuitable for artwork that is meant to last.