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Re: [teacherartexchange] mold in acrylic paint


From: Gayle Parent (gayleparent_at_TeacherArtExchange)
Date: Tue Apr 05 2011 - 19:08:09 PDT

I would still be interested to know whether the non-toxic vinegar would help and not harm the paints. Vinegar kills something like 97% of bacteria. I think I'll try it on both, and experiment with my own work.


On Apr 5, 2011, at 6:24 PM, watercolorwiz wrote:

> While we're talking about nasty stuff, I found that the classroom's Chromacryl
> paint, when thinned with gel medium and water, was having a horrendous smell.
> After doing a little research, I found on the Golden site that they recommend a
> small amount of amonia added to the paint at the time it's thinned, if it's to
> be stored for anytime at all. According to their site, microbes in tap water
> will "develop"--just like
> my middle school students, I guess. Anyway, Golden states that neither the
> amonia nor the mold will hurt the paint once it's dried.
> When I shared this info with my district art teachers, one noted that I should
> be careful, as amonia is probably not an OSHA approved substance. Of course,
> OSHA would hate the school's air filtering system as well, but I guess I can't
> control that.
> Any opinions? Other suggestions?
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