Digital BW, The Print

On the site inksupply I found months ago a page where you could buy
one gallon (or pint?) bottle of ink (I suppose eboni bk) and base to
create your own inkset, but I can't find it anymore....

By the way, if I want to print both on matte and glossy papers do I need:
- eboni black
- base to diluite and obtain shades of gray
- glop to diluite the balck in one channel to use with glossy papers
- blue toner to neutralize and cool tone the print

Is it right, or do I need photo black also? I mean the shades of gray
are made by eboni or photo or both mixed together?

thx a lot

sab