C13T43R100 Cotton Pretreatment Fluid, 20 L ConcentrateDesigned for use on cotton and cotton blend fabrics. Mix 1 to 2 with distilled water to yield 60 liters of fluid for use on dark garments, and mix 1 to 9 with distilled water for use on light garments. Pre treatment application to a garment is required prior to use of UltraChrome DG White Ink. It is recommended to use a pre treatment machine to apply pre treatment fluid for consistent print quality. Note: This is a non returnable item.