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LUKAS Watercolor Painting Mediums

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Item #Item Name and DetailsMSRPNon-MemberMemberQuantity
LUKAS Watercolor Medium - Gum Arabic 50 ml Bottle
Limited Qty
LUKAS Watercolor Medium - Masking Fluid 1L Bottle
In Stock
LUKAS Watercolor Medium - Masking Fluid 250 ml Bottle
Out of Stock
LUKAS Watercolor Medium - Masking Fluid 50 ml Bottle
In Stock
LUKAS Watercolor Medium - Shellac Soap 50 ml Bottle
In Stock
LUKAS Watercolor Medium - Wetting Agent (Ox Gall) 50 ml Bottle
In Stock

LUKAS Watercolor Painting Mediums

Expand the abilities of your watercolors with these mediums by LUKAS!

Made with high quality ingredients, these watercolor mediums by LUKAS have the ability to create outstanding effects when used with watercolor paints. Whether you're interested in increasing the water resistance of watercolor paints after they've dried or just increase the gloss of watercolor paints, this line of watercolor painting mediums by LUKAS has you covered!

  • Gum Arabic - Main binder medium forwatercolors and gouache. May be used to create paints, or mixed with watercolors to increase gloss and transparency.
  • Masking Fluid - Removable liquid frisket used to temporarily cover areas of paper and block paint. Pre-testing fluid on certain papers is recommended.
  • Shellac Soap - Mix with watercolors to increase their water-resistance once dry.
  • Wetting Agent (Ox Gall) - Liquid preparation medium for wetting paintingsurfaces; aids color flow.
  • Synthetic Ox Gall - Medium for wetting painting surfaces; aids color flow.

Shipping Rates

All orders are charged actual shipping rates. Available shipping options for each order will be calculated during the checkout process based on package dimensions and destination. You will have the opportunity to review the shipping fees for your order before finalizing and submitting your order. For full shipping details and options see our shipping page at

Oversized orders

Certain items and large orders ship via LTL (less than truckload) with reduced ground rates inside the contiguous 48 states.

Turnaround times

Most orders leave our warehouse in 24-48 hours. Orders received before 9:30 AM EST on a weekday will most likely ship the same business day contingent upon warehouse volume. Our warehouse is located in Henderson, NC. Your estimated transit time will vary based on your proximity to our warehouse. Custom sectional frames are cut-to-order so please allow additional time for delivery.

wholesale club shipping chart and table WBX.MARS v6.2.5763.33921
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