yu use a cartridge
Ink Repalcements
vountain pen
The thing that you can buy for your pen is an Ink Cartridge. And the thing that makes your pen work is an Ink Cartridge
ink cartrages from rymans or whsmith
Cartridges
cart
cartridge
Cartridges
an ink cartridge you get them from stationers :L
The tube.
probably something called 'refill'.-A ball point pen will normally have a "refil". An ink Pen with nib will either have a cartridge which fits in side and passes ink to the nib or will have a rubber bulb which sucks up ink from a bottle and is fed to the nib by gravityYou will buy the pen's refill. But some pens will not have refills, so you can't buy it.
You can buy pen ink in Perth at stationary stores such as Officeworks, Kikki.K, or Smiggle. Alternatively, you can also find pen ink at art supply stores like Jackson's Drawing Supplies or online retailers like Amazon or eBay.