Contact STS Inks down in FL. Shoot email to Joe. I’ll not post his email here but it’s pretty easy to deduce from what I just said.
MK = wj1082
PK = wj1122
glop = wj824
Double-check those with Joe in case they’ve changed.
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Yes, those are the ingredients I buy by the liter from STS.? The mixing formula is shown at? .
Note, again, however, that the dual MKs are only for Arches watercolor paper and not needed or useful for most people who should stick with inkjet paper.
Also, be sure to go to the next page of the PDF for the dilution?ratio of the toner.? Being on a different page, that critical?step, if missed, with result in very blue prints.? (A mistake I once made.)