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Tonic - OCCASIONALS - Glass Alchemy

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$4.53 / Ounce
1 – 15$4.53
16 +$3.94
1 Rod/Stick = Approx. 1.5 oz.

$63.04 / Pound


Tonic has a vintage glass look and is a younger sibling of Rain Drop. For best results, this crisp, high index color should be used in a neutral flame.

Working Tip: Work neutral to oxidizing for best results. A reducing flame will cause red streaking.

Artist Description by Mike Shelbo:

"Tonic is a transparent blue, the color of an aquamarine gem. The color becomes more vibrant and its higher refractive index shows when used with itself in applications that allow the Tonic layer to be as thick as possible.

When used as tubing, applied on clear or as coiled color, if the Tonic will be exposed to a lot of different working flames and long times in and out of the kiln, I advise a thin clear coat to protect the surface from overworking. Too much propane in your flame can result in a copper reduction leaving you with red streaks or patches on the surface of the un-encased Tonic. Too much over oxidizing can leave you with a surface haze or scuzz that must be swiped to remove.

I often recommend a thin layer of clear frit over Tonic or evenly coated clear rod over your entire prep. I have used Tonic without encasement many times on solid sculpture an(more...)

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