Thank you, Herzeleid! I have Guerra's version and there is just too much pigment grit in it. Is there grit in Schminke Horadam's Permanent Karmin?
Old Holland Quinacridone Magenta is what I sometimes use. It's easy on the staining, which is one of the biggest issues I've faced with various reds. I also often mix my own from raw pigments.
I'd recommend checking out: https://www.handprint.com/HP/WCL/waterfs.html
They have lots of information about lightfastness, opaqueness, staining tendencies, etc. of many different kinds of watercolors. It's a good resource to start your search with.
It is very finely dispersed imo. I never had problems with it.
I haven't tried guerra's pigments, not available locally. I checked their website although they indicate no filler is added, may be something in it is causing the grittiness.
If you are using dry pigment that is another story of course.
It's been great for tri-colour carbon, as I can easily filter the pigmented glop after mixing. Filtering pigmented gum on the other hand doesn't seem to work very well. I'm losing a lot of saturation. I
I use Daniel Smith - quadr.... magenta , Indian Yellow, Thaylo Blue(greenshade)
Deserres sells them if they are out your way, pretty common in art stores here.thank you, Bob
Deserres sells them if they are out your way, pretty common in art stores here.
When I used Mixol for carbon, it had fillers (calcium carbonate) as indicated in msds, filtering caused huge loss. Guerra says no fillers but an aqueous dispersion contains surfactants, emulsifiers and etc. May be the ingredients are not ideal to combine with gum arabic.
Watercolor tubes easily mix with gum, but they are expensive than pigment dispersions.
Try grinding it with some gum arabic in a pestle and mortar takes at least 30-60mins...
Andrew I also use the Daniel Smith pigments that Bob recommends. I order them from Opus, they also sell big jugs of gum arabic.
Ha never mind... you're up in Whitehorse!
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