Where can i buy calligraphy ink?

Try looking at places where they sell art supplies
for example:

1) Bagatelle, hobby world

2) Sik yuen

3)London way

4) le printemps

5) artwork- shoprite

Oh yeah, You can also buy those ink(both type) at:

1) Ebay

2) Amazon

3) Aliexpress
(those are the only secure online websites I currently know :) )