BCH Premium 600 ml (20oz) Bulk Refill Ink for HP Printers - (3 Pigment Black + Photo Dye) BCH Advanced-573 Premium Black ink: black ink is high performance pigment, more vivid than regular pigment, black is water resistant when dry. 100ml x 3 Pigment Black, compatible to both dye and pigment cartridge, + 100 ml each of Cyan, Magenta, Yellow Photo Dye Ink Produces vivid true-to-life prints.Match or Exceed OEM specification on color, pH, surface tension and viscosity. Reliable brand and Big Savings. Get premium image quality at competitive prices.