HP 950 HP 951 cartridge - ink quantity for refilling

HP 950 and HP 951 cartridges exist as standard size and as XL size. This video provides You the specific quantity of refill ink that is suitable for Your cartridge. Refill kit inks from OCTOPUS https://www.octopus-office.de/shop/en/printer-ink/printer-ink-hp/hp-940-942/4680/refill-ink-kit-for-hp-932-933-940-950-951-four-colours?sPartner=Youtube001