If you put your used White spirit or turps into a larger container, and let it stand. The solid suspension of pigment will settle out, leaving re-useable clear solvent above. No need to dispose, just use again.
Traditional painting..
A local Firestation should be able to dispose of turpentine and mineral spirits safely. That’s where I had taken some of my old jars of turp when I didnt know what else to do with them.
Anyone interested in oil painting should check out Alexei Antonovs works on
I have two of his instuction videos, and they are just amazing.
It’s like watching one of the old masters over the shoulders.
I like gouache myself. It’s slightly more pigmenty than straight watercolor but works the same way. Though I have been getting into the thought of airbrushing (with watercolor of course). I’ve always thought airbrushes looked amazing.
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