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Old 08-20-2008, 01:59 AM
nasagirl nasagirl is offline
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Directions for using Gum Arabic

Can someone please provide instructions for using Gum Arabic? I purchased some a few days ago because I had read that it increases brilliance, gloss and transparency of water colours but there were no instructions on how to use it and I haven't been able to find any on the internet!! What I need to know is how much to use. Is there a formula or are there general guide lines for using this stuff? By-the-way, does it work? As always thanks so much.
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Old 08-20-2008, 03:41 AM
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Yorky Yorky is offline
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Re: Directions for using Gum Arabic

A few drops in your mixing water is said to enhance the colours and fluidity of your washes. Don't overdo it though as you will get a nasty glossy or streaky effect.

I just did a Google Advanced serach and found several articles including THIS ONE.

Doug

Last edited by Yorky : 08-20-2008 at 03:44 AM.
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Old 08-20-2008, 03:43 AM
Neeman Neeman is offline
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Re: Directions for using Gum Arabic

Directions for using Gum Arabic?

1. Play
2. Experiment

Then tell us how and what you did.
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Old 08-20-2008, 06:24 AM
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No6 Brush No6 Brush is offline
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Re: Directions for using Gum Arabic

Winsor & Newton recommend making up a solution of 10% gum arabic 90% water and use this with your colours as you would water alone.

Hope that helps, let us know how you get on


Regards
Tony
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Old 08-20-2008, 09:58 AM
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tep394 tep394 is offline
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Re: Directions for using Gum Arabic

I pour a capful of gum arabic into a liter or so of water. It does really make a difference, especially with the really dark mixes and the multiple glazes.
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Old 08-20-2008, 08:15 PM
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MickeyJayne MickeyJayne is offline
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Re: Directions for using Gum Arabic

I know, it's hard not to have an exact starting point. I'm a very literal person and just go nuts with being told "just use 'some'!"

Does it work? Yes. But, I was remembering when I first started using it that I didn't notice any difference at all - I put a few drops in my mixing water. I was just getting really into watercolors.
Now, when I look at my paintings from then, I can tell exactly which I used it with - well, the ones that I probably used quite a bit with - they're so much shinier.

I like to have a few drops in my mixing water all the time now. When I paint, I like to make a puddle of water in the space I'm working on (say a petal of a flower) and then float paint into it. I find that when I put Gum Arabic in the water, that puddle stays exactly where it's supposed to much easier - it doesn't seep out once it sinks into paper. I also get harder edges with it - sometimes a good thing, sometimes not.
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Old 08-23-2008, 03:31 PM
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Laura D Laura D is offline
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Re: Directions for using Gum Arabic

You can also mix a dilute solution with your tube paint when you are making your puddles, it helps colors lift a bit easier. Doug is right, too much gum arabic is not a good thing. Colors will bronze much faster with too much GA.

It can also be used as masking of a sort. See my Dahlia WIP, post #62 for details.
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