Les Produits Antique Pictureology
Ammonium Thiosulfate 60% (1L)
$32.50
Ammonium thiosulfate and a few other items can be shipped via regular mail at a lower cost. If you’re only purchasing items from this list, please email me at info@antiquepictureology.com
Ammonium thiosulfate is used as a fixing agent.
Ships within Canada only.