Parker fountain pens refill with Parker ink cartridges or an ink converter and bottled ink.Parker Quink cartridges are designed to fit perfectly in the barrel of your Parker fountain Pen. They are available in blue or black.If you did not receive an ink converter or have misplaced it, they are available below. Then your can order any brand of bottled ink. Colorado Pen bottled ink arrives in a huge 90ml bottle. Pelikan offers standard ink or its premium Edelstein ink in nine vibrant colors. Waterman bottled ink is offered in all the favorite colors.