Well, what do you think about the jan ink? It is a kind of Ink that everyone uses, but in this website http://janink.com/ which provides you many samples of ink that you may want to use. For me, this is like a category of ink which shows many kinds of ink which used in daily life. Why not try this when you sometimes need it.
It is not hard to try - The easy way to do is by clicking and accessing the website http://janink.com/ and you will see thousands of ink in store.