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ph testing pen for paper archival spray #7026
Preserve It - Gloss
Our Price: $6.90
Part # 4638
Lineco Paper and Board pH Testing Pen An easy, convenient method for distinguishing between safe alkaline paper and board, and unsafe acidic paper and board. Easy to use, simply draw a line and instantly determine the answer. THe chlorophenol red indicator solution turns a definite purple color on any paper with a pH of 6.5 or higher. Any othe rcolor would indicate a material most likely unsuitable for conservation purposes.
Digital photos,greeting cards, scrapbook materials and more last twice as song once you add this layer of protection.  Without it, moisture, fading, early aging, ink runs and damage from smudges can ruin your most precious valuables