Refillable Spray

Bookkeeper is a deacification process that safely neutralizes acids and extends the functional lifespan of paper at least 3 or 4 times longer than untreated material. The spray products and spray solution both feature the same patented technology as Bookkeepers highly regarded mass deacidification process. Independent tests conducted by leading research laboratories have verified the safety and effectiveness of the Book keepers process. Tests show that the buffering agent is evenly distributed throughout a sheet of paper with no effect on the integrity of the inks and does not damage adhesive or binding textiles.

The Bookkeeper spray products protect safely treated single sheets including manuscripts, documents, clippings, maps, posters, newspapers and other paper based materials stored in libraries and archival collections.