Colours of Australia
Blackstone inks are available in the United States at Anderson Pens ( www.andersonpens.com )
In Europe at Appelboom ( www.appelboom.com ) .
In the UK at Bureau Direct (https://www.bureaudirect.co.uk/catalogsearch/result/?q=blackstone)
Nick Stewart is a UK based artist who (among many other things) takes fountain pen ink and bleach and makes magic.
Click the link above to see Nick's review of the Colours of Australia inks and CLICK HERE to see more of Nick's work.