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Using QoR Watercolor Medium, Synthetic Ox Gall, and Lift Aid

10 thoughts on “Using QoR Watercolor Medium, Synthetic Ox Gall, and Lift Aid”

  1. Can I paint oils on top of a drird QOR painting? I want to use QOR as a color trial layer prior to final oil painting.

  2. Hello,
    Thank you very much for this article. You opened my eyes on using synthetic gall on Lanavanguard.
    Your mediums give me great pleasure to use and I like the results.

  3. Good Day/Evening Ms. Cathy.

    Concerning QoR’s Watercolor Medium, I have noticed something very interesting when I added it to my gum arabic-based gouache. In thick applications, it increases the flexibility of the resulting paint layers to the point that it prevents cracking and flaking-off. When prepared as a dilute solution, it enables gouache made with non-granulating pigments (such as phthalo blue) to make granulating washes. With this, I highly recommend using the watercolor medium even for gouache.

    • Hello Clarence,
      Thank you for sharing your creative experiences with QoR Watercolor Medium. It is wonderful to hear how well the Medium increases the flexibility and granulation of your gouache applications!
      Warm Regards,

  4. Hello Tracey,
    Thank you for your questions! We consulted people in our Health and Safety Department and in our Lab in response to your questions, and we will answer them one by one below. QoR Ivory Black contains PBk9, a pigment created from carbonized cattle bones. Yes the Aquazol and surfactants used in QoR are petrochemical in origin. QoR paints can safely be washed down the drain. We have found that the Crash Kit does not produce satisfactory results with watercolors. QoR Payne’s Gray Payne’s Grey is very safe. Carbon Black, a pigment used in the color, is on the State of California’s list of chemicals “known to cause cancer”. However, that is a catchall, unfortunately, that doesn’t reflect the hazards of this product, nor the fact that the carbon black pigment we use is selected to be ultra-low in PAH content, the contaminants of potential concern in carbon black compounds. In addition, we have all our formulas reviewed by external toxicologist for their safety. You are always welcome to call Golden at 607-847-6154 or (toll free in the USA) 800-959-6543 and ask to speak to our Health and Safety team, they are happy to talk with artists with questions about our products. We hope this is helpful, and we wish you happy painting! Cathy

  5. I have some expensive but older watercolor paper that seems to be irregularly sized, so that washes that should be smooth come out blotchy instead. Can any of your mediums or grounds be used to gently re-size questionable paper for watercolors?
    This may be a separate question. I’ve also been hoping to find something to lightly seal colored paper made for pastels so it wouldn’t rumple when I use it for watercolors. I’m hoping for a transparent medium that would not affect the underlying tint of the paper.

    • Hello Georgia, thank you for your kind words! Our products are not intended to be used as paper sizing. It is possible that a dilute layer of any Watercolor Medium would be too water-sensitive to provide a good foundational sizing layer. Although we have not tested them, there are alternatives on the market. Holbein has a Multi Sizing Liquid which can be diluted for use in sizing watercolor paper. Natural Pigments has information on the history of paper sizing that includes directions for making and using a traditional animal gelatin sizing. Any paper that is likely to buckle when water is applied to the surface will probably need to be stretched before any product containing water is applied. Beware that thin papers do not have as much internal strength as heavier weight papers, and can tear while drying during the stretching process. After the paper dries and before it is released from stretching, a water-based size or a translucent product like Golden Pastel Ground (diluted with 20-40% water) could be applied. Pastel Ground is not transparent, but it will be more translucent once diluted. We would recommend experimenting with a few sheets of paper to see if the results are acceptable. We hope this is helpful, and we are reachable at help@goldenpaints.com when you have more questions.


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