Kodak T-Max Fixer is a hardening rapid fixer. Specially designed for use when developing Kodak T-Max films. This is a liquid concentrate that you dilute with water for use. Making it is easy and convenient to use. Kodak T-Max film takes more fixing than most other films. It needs twice the fixing with regular fixers. Therefore, using T-Max Fixer helps reduce you fix times, and wastage.