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MADE WITH FINE ACACIA GUM
This is Tonic Watercolor Medium, our carefully formulated colorless medium for watercolor painting. Designed to work with our Tonic Watercolors — but capable of mixing with any traditional watercolor paint — this transparent medium provides excellent handling and working properties for serious watercolorists.
Specially sourced acacia senegal gum (a specific type of tree sap) is the basis for Tonic Watercolor Medium. Acacia senegal is a variety of gum arabic, the plant-based medium of virtually all watercolors. During our development process, we learned that some grades and species of gum arabic are totally unsuitable for watercolor. Some are merely acceptable. The best-quality gum arabic (which is what we use in Tonic) offers incredible transparency, flexibility, and handling. That's why our Tonic Watercolor Medium is noticeably clearer than many of the other brands on the market.
FLEXIBLE AND STABLE
In addition to gum arabic, Tonic Watercolor Medium contains a vegetable-based plasticizer and a non-toxic preservative. The plasticizer allows Tonic Medium to dry strong and flexible, never becoming too dry and brittle. The preservative (which is so gentle that it's approved for cosmetic use) keeps Tonic Medium fresh on the shelf for years.
ADDS TRANSPARENCY AND GLOSS
Dilute watercolor with plain water when you want thin washes, matte colors, and texture—that's the classic watercolor look, and it's lovely. But if you'd like the option of painting with glossier, thicker colors, Tonic Medium is a great addition to your watercolor arsenal.
With higher ratios of Tonic Medium to water, your watercolor will start to retain brushstrokes and dry to a high gloss. With moderate ratios of Tonic Medium to water, your watercolor will be more coherent, with a slightly thicker body that works well for sharp lines and high-impact shapes.
NO ANIMAL PRODUCTS
We're pleased to let you know that Tonic contains no animal-derived products. Unlike many watercolors, Tonic does not contain ox gall — instead, we use modern surfactants to achieve the same effects as the traditional animal-derived recipe.
MORE ABOUT FEDERAL COLOR
Federal Color is the manufacturing department at St. Louis Art Supply. Available in our own shop and from other great indie retailers, Federal Color products are artist-made, professional-quality, and designed with contemporary creatives in mind.
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Tonic Watercolor Medium, 60 mL
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Tonic Watercolor
FAQs
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How quickly will my order ship?
Our St. Louis warehouse team is pretty speedy! We generally ship orders within one business day of receiving them. You'll receive a tracking number by email as soon as your order's packed and out the door.
How long will it take to arrive?
We offer shipping estimates for each order at checkout. Please note that these are only our system's best guess — there are many factors that may affect shipping time.
Generally speaking, our parcels take about 2-3 business days to travel to most U.S. addresses once they are shipped.
In a hurry? We offer expedited shipping options, including overnight shipping, at checkout.
IMPORTANT NOTE: We never guarantee delivery dates because carrier delays are not within our control. We do not issue refunds due to delays in transit.
Do you accept returns?
Yes — we accept returns of unopened, undamaged items within 30 days of receipt.
If your return is because we made a mistake, we'll pay for the return shipping label. If you're returning an item because you changed your mind, return shipping is at your expense.
Read our full return policy here.
Is there a physical store?
Yes, there is! We'd love to see you at our St. Louis retail store. We're in the Grove neighborhood, near lots of fun places to eat, drink, and shop.
Do you offer wholesale or bulk discounts?
We do! Educational and institutional customers can email [email protected] to place a discounted bulk order. Send us a screenshot of your Blick or Amazon cart and we'll do our best to match it. You can always finish checking out with the big guys if we don't have a great bid for you.
If you're buying for a retail store, we'd love to meet you! Please head over to our wholesale division, Federal Color. You'll find our wholesale catalog and application there.