Print heads and print head fluids are disclosed. An example print head for an inkjet printer system includes a fluid reservoir, and a nozzle fluidically connected to the fluid reservoir. The example print head also includes a fluid having a liquid vehicle component and a tinting dye. The fluid is provided in the fluid reservoir during shipping of the print head to maintain wetting of the print head. The fluid is discharged after installation of the printer head in the inkjet printer system.