500ml bottle of Ilford Ilfostop stop bath concentrate.
Ilford Ilfostop is a low odour, citric acid based indicating stop bath. After development, films and papers should be rinsed in an acid stop bath to stop development immediately, and to neutralise the developer to help maintain the activity of the fixer bath. Ilfostop is normally diluted 1+19 for use. For detailed information on Ilfostop, please refer to the Technical Information PDF.
Material Safety Data information PDF for this product: - for the Canada/USA data sheet for the concentrate click here - for a Safety Data sheet for the working solution click here.