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Best Choice Rust-Oleum 
Rust-Oleum Zinsser Roll-A-Tex Medium Texture Paint Additive – Enhanced Cover-Up for Cracked Walls, Ideal for Drywall & P Enhanced Repair Capabilities: Specifically formulated to fill and cover moderately flawed and cracked surfaces, this medLiquitex 
LIQUITEX Slow Dri-Fluid Additive Clear 118 ml (Pack of 1) Extends the open time of your colour/medium by 40 percent so it is blendable and workable for longerLiquitex 
LIQUITEX Flow Aid Additive 118 ml, Clear (Pack of 1) Product Type: Toys And GamesBest Value Liquitex 
LIQUITEX Liquithick Additive Clear 237 ml (Pack of 1) Create custom viscosity and a matte finish without increasing paint transparencyLiquitex 
LIQUITEX Professional Iridescent Effects Medium, transparent 237 ml (Pack of 1) Give your paint an iridescent finish or use on its own to add surface highlightsMONT MARTE 
Mont Marte Fabric Paint Medium Premium (8.5 US fl.oz), Textile Medium for Fabric Painting, Easy to Use, Prevents Flaking Mix with acrylic paint to transform into fabric paint29% Off Golden Artist Colors 
Golden Artist Colors Color Pouring Medium, Gloss Finish, 8 Ounce Bottle (3501-5) Low crazing extender for pouring acrylic colorsU.S. Art Supply U.S. Art Supply - 1 Quart Floetrol Additive Pouring Supply Paint Medium Deluxe Kit for Mixing, Epoxy, Resin - Silicone O Premium Pouring Medium: Achieve stunning and professional-looking art with our high-quality 1 Quart Floetrol Additive. SWinsor & Newton Winsor & Newton Artists' Acrylic Additives - Flow Improver 250ml Medium increases the flow of acrylic colors, allowing the application of areas of flat, even color without changing coloLiquitex Liquitex Basics Matte Fluid Medium, 250ml, 8.4-oz Improves the flow of color for blending as well as increasing transparencyGrandProducts Art Bundles GrandProducts Art Bundles Floetrol Paint Additive Pouring Medium for Acrylic & Oil Paint - 20 Pixiss Wood Mixing Sticks FLOETROL POURING MEDIUM: Fortifies acrylic and latex paints to improve performance and reduce brush marks. Allows latexSennelier Sennelier Non Toxic Additive Green Cleaner for Oil Liquid Medium 250 ml A plant based, non toxic and non flamable range of oil mediums, thinner and brush cleanerGolden Artist Colors Golden 8 oz Artist Colors Acrylic Retarder Additive, Medium Additive used to slow down the drying time of acrylic paintMONT MARTE Mont Marte Premium Acrylic Flow Medium 8.45oz (250ml) Mix this medium with acrylic paints to increase flowGamblin Gamblin 2604 Solvent- Free Fluid 125ml/4.2oz Oil Paint Medium Solvent-free liquid painting medium that is non-toxicColorantic Colorantic | CLEAR GLAZE for Faux-Fini Stain Medium - Fabric Paint Medium - Glitter Paint Additive Medium - Leather Pain FABRIC MEDIUM - Our furniture glaze can be painted straight onto most surfaces with minimum prep. Add 1/3 of Clear Glaze13% Off Liquitex Liquitex Medium Gloss Gel, 473 ml Increases surface gloss, colour depth and transparencyMONT MARTE Mont Marte Acrylic Paint Medium Gloss 135ml Bottle Art Mix this medium with acrylic paints to create glazes, washes and watercolour effectsGRUMBACHER Grumbacher Liquid First Coat for Oil Art Paint Medium, Clear A lean, liquid smooth safflower oil-based mediumLiquitex LIQUITEX Professional Glazing Fluid Medium, 8-oz (Pack of 1) For creating brilliant jewel-like glazes with acrylic paint; Excellent brushing and leveling qualitiesGRUMBACHER Grumbacher Liquid First Coat for Oil Art Paint Medium, White A lean, liquid smooth safflower oil-based mediumWinsor & Newton Winsor & Newton Professional Acrylic Medium Flow Improver, 125ml Medium increases the flow of acrylic colors, allowing the application of areas of flat, even color without changing coloLiquitex LIQUITEX Professional Matte Fluid Medium, 237 ml (Pack of 1) Give your paint a matte finish, while thinning and extending its volumeMONT MARTE Mont Marte Medium Coarse Sand Texture 250 ml Ideal for adding texture and 3D effects23% Off Liquitex LIQUITEX Medium Gloss Gel, 237 ml (Pack of 1), 5708 Increases surface gloss, colour depth and transparencyMONT MARTE Mont Marte Gel Medium Gloss Paint 250 ml Creates a high-gloss finish on acrylic paintings38% Off Gamblin Gamblin Solvent Free Gel 150ml/5.1oz Oil Paint Medium Solvent-free gel painting medium that is non-toxicLiquitex Liquitex 8870513 Watering and Pouring Medium, Waterproof, Non-Yellowing, Flexible, Increases Paint Flow - Pouring Medium Casting and pouring - medium - for flow technology and casting applications with acrylic paintsWinsor & Newton Winsor & Newton Galeria Acrylic Medium Flow Improver, 250ml Additive loosens the surface tension of water within the acrylic filmMONT MARTE Mont Marte Gel Medium Matte 250 ml Provides a matte, non-reflective finishBLUEBIRD BLUEBIRD Acrylic Paint Retarder 3.4 Fl. Oz. / 100 ML, Artist Colors Acrylic Retarder, Additive Medium Bluebird Acrylic Retarder increases the open (drying) time of acrylic paints. It is useful for wet in wet techniques and21% Off MONT MARTE Mont Marte Acrylic Paint Medium-Matte 135ml Bottle Art Mix with acrylic paints to create glazes, washes and watercolour effectsMEEDEN MEEDEN Glitter Acrylic Paint Medium, 6 Tubes 22ml/0.74oz High Viscosity Shimmer Paints, Art Craft Paints with Glitter, I SPARKLING EFFECT: Add sparkle and sheen to your pieces using the MEEDEN glitter paint set - your artwork will present aAngelus Angelus 2-Soft Fabric Medium 1Oz Angelus 2-Soft mediumSpot On Pure Silicone Pouring Oil for Acrylic Painting - 100% Silicone for Superior Cell Creation - Acrylic Paint Pouring Medium APPLICATION NEEDLE allows you to apply exactly the amount of oil you want in your paint mix with precision. The TWO (2)Winsor & Newton (250ml, Slow Drying Medium) - Acrylic Slow Drying Medium 250ml Slows the drying time of acrylic color to give more working time for extended blending and manipulationMONT MARTE Mont Marte Impasto Acrylic Medium 500ml (17oz) Perfect for creating texture and 3D surfacesDecoArt DecoArt DAS10-3 Americana Mediums Fabric Acrylic Painting, 2-Ounce Improves adhesion of acrylic paintsOWATROL Owatrol Easy Flow Paint Premium Floetrol Additive, Medium for Acrylic Paint Pouring Art, Water-Based Acrylic Paint Condi REVOLUTIONIZE YOUR PAINTING: Say goodbye to frustrating brush and roller marks! Owatrol Easy Flow is your game-changing57% Off Liquitex Liquitex Pouring Medium Acrylic Paint, 946 ml A fluid medium incorporating an acrylic polymer with high resin solids.Solid Solutions SOLID SOLUTIONS Gel Medium Gloss - 250ml Versatile Texture: Gel-like consistency for creating thick, 3D textures and enhancing color depthLiquitex LIQUITEX Natural Sand Effect Medium Clear 237 ml (Pack of 1) Build flexible, medium-grade sandy texture with this thick acrylic effects gelDecoArt DecoArt Pouring Medium 16 Fl Oz (Pack of 1) Creates amazing cell effectsVISWIN VISWIN Basic Acrylic Pouring Paint Set, Set of 12 Bottles (2.03oz/60ml), Pre-Mixed High Flow Acrylic Pouring Paint Kit w [Perfect Acrylic Pouring Paint Kit] The Kit comes with 12 colors 2.03oz/60ml pre-mixed acrylic paints, Funnel, 16 StirriGRAS Art Bundles 2-Pack Floetrol for Acrylic Paint Pouring Medium Additive and Paint Pouring Supplies, 40 Disposable Paint Mixing Cups, 4 2-Pack Floetrol Pouring Medium for Acrylic Paint - Includes 2 bottles of Floetrol for enhancing the flow and control ofSennelier Sennelier Non Toxic Additive Green Cleaner for Oil Thinner 250 ml A plant based, non toxic and non flamable range of oil mediums, thinner and brush cleanerGolden Artist Colors Golden Open Acrylic Thinner 4oz OPEN Thinner is a water-based additive for thinning the consistency of OPEN Acrylic Colors and Mediums without alteringU.S. Art Supply U.S. Art Supply Impasto Clear Gel Acrylic Medium, 500ml Tub Heavier weight, non-toxic; Translucent when wet, transparent when dryCreatex Airbrush Paint - Createx Airbrush Colours - 5211 Opaque Black (120ml 4oz) 4 oz. Bottle of Opaque Black #5211 CREATEX AIRBRUSH COLORS PAINTLiquitex LIQUITEX Basics Acrylic Additive, Gloss Fluid Medium, 250 ml Tube Improves the colour flow of acrylic paints - ideal for outstanding colour gradientsMONT MARTE Mont Marte Premium Acrylic Paint Medium Gloss & Matte 250ml Fluid Painting Flow (Matte) Mix with acrylic paints to create glazes, washes and watercolour effects45% Off Liquitex LIQUITEX String Medium Gel Effect 237 ml, Clear A medium viscosity medium incorporating an acrylic polymer with a resinous, stringy consistency.Nicpro Nicpro 7 oz/210 ml Silicone Pouring Oil for Art, Dramatic Cell Activator for Acrylic Paint Pour, 100% Silicone Medium Co 100% Pure Silicone: Our acrylic pouring oil is 100% silicone - no extra additives or diluting agents. Safe & Non-Toxic,Angelus Angelus 2-Hard Additive for Firm Surfaces 29ml Angelus 2-Hard is ideal for painting plastic or other hard surfaces.Gamblin Gamblin 2608 Solvent- Free Fluid Medium 250ml/8.5oz Oil Paint Product Type: Toys And Games19% Off Liquitex LIQUITEX Medium Gloss Heavy Gel, 237 ml, 5120 Suitable for drawing and painting projectsLiquitex Liquitex Basics Acrylic Additive, Matte Gel Medium, 250ml Tube A thick, translucent painting medium - retains brush strokesSennelier Sennelier Non Toxic Additive Green Cleaner for Oil Gel Medium 40 ml Non-toxic and non-flammableLiquitex Liquitex Professional Masking Medium Fluid, 118 ml Covers areas of your surface to stop color reaching itMONT MARTE Mont Marte PMPP6001 Pouring Art Medium, 8.5 fl oz (240 ml), Fluid Art Base, Clear Volume: 8.5 fl oz (240ml)U.S. Art Supply U.S. Art Supply Airbrush Flow Improver, 8-Ounce Bottle - Additive to Improve Acrylic Paint Flow, Reduce Clogs, Paint Wet 8 Ounce Bottle of U.S. Art Supply Airbrush Flow Improver. A highly effective additive used to improve the flow of paintMONT MARTE Mont Marte PMPP6001 Pouring Art Medium, 8.5 fl oz (240 ml), Fluid Art Base, Clear Volume: 8.5 fl oz (240ml)Flood FLOOD/PPG FLD6-04 Floetrol Additive. 2 Gallon Makes latex paints and primers flow more smoothlyDecoArt DecoArt Pouring Medium, 64 Fl Oz (Pack of 1) Creates amazing cell effectsAngelus Angelus 2-Soft Fabric Medium 4oz Angelus 2-Soft is a must-have when working on soft, flexible fabrics such as the sock-liner of shoes.Liquitex LIQUITEX (3790ml) - Professional Pouring Effects, Medium, Gloss (Pack of 1), 5436 A fluid medium incorporating an acrylic polymer with high resin solidsMONT MARTE Mont Marte Premium Acrylic Pouring Medium 1 Litre Ideal for fluid artAngelus Angelus 2-Thick Acrylic Paint Additive To Thicken Creating 3D Flexible Clay Art For Shoes, Boots, Bags, Cavas Art, & Mor Angelus 2-Thick is a product used for thickening acrylic paint.Winsor & Newton Winsor & Newton Water Color Granulation Medium, 75ml Increases the granulation of color, giving a mottled appearance to colors which usually give a smooth wash, or enhancingGROVE GROVE Flood Floetrol Additive with Linzer Paint Brushes - Australian Floetrol Add for Acrylic Paint Pouring - Premium Fl PERFECT POURING PARTNER - Enhance your acrylic paint pouring experience with Flood Floetrol for acrylic paint pouring, dNicpro Nicpro Titanium White 32 Ounce Acrylic Pour Paint Kit with Silicone Oil & Gloves for Canvas, Rock, Wood - Ready to Pour 1.Endless Creativity: Come with 32 ounce titanium white color pour paint and 1 ounce silicone pour oil,10 pairs gloves.GOLDEN Golden Gac 900 Fabric Painting Medium-240ml Heat-setting medium for modifying acrylic paints applied to clothingVallejo Vallejo 73212 Decal Medium 17 ml A part of the Vallejo Auxiliaries RangeU.S. Art Supply U.S. Art Supply Silicone Pouring Oil - 6-Ounce - 100% Silicone for Dramatic Cell Creation in Acrylic Paint U.S. Art Supply Silicone Pouring Oil - is Ideal for cell creation in Acrylic Art Painting - Add to your own Pouring ColoLiquitex Liquitex Basics Matte Varnish, 250ml, 8.4-oz Permanent matte varnish used to protect finished paintingsLiquitex Liquitex Acrylic Professional Pouring Effects Medium for Acrylic Paint, Gloss, 237 ml SMOOTH SURFACE - Gives even poured puddles and acrylic skins resulting in smooth surfaces, with no crazing, cracking orGamblin Gamblin GB01637 Solvent Free Gel 37ml Oil Paint Medium Solvent-free gel painting medium that is non-toxicMONT MARTE Mont Marte Premium Acrylic Retarder 75 ml Delayed drying time facilitates easier blending of colours and enables a smoother coat over larger areasNicpro Nicpro Acrylic Pouring Art Supplies, Pouring Medium Starter Kit, 19 Colors Acrylic Paints with Pour Oil, 4 Pack Canvases Artist Starter Kit: Contains 19 acrylic paint colors, pouring medium, silicone oil, canvases, gloves, strainers, mixingLiquitex Liquitex Basics Gloss Varnish, 250ml (8.4oz) Bottle Permanent gloss varnish used to protect finished paintingNicpro Nicpro 8 Colors Large Bulk Acrylic Pour Paint Set (33.8 oz, 1000 ml) Premixed High Flow Art Supplies Kit with Silicone O 1.Endless Creativity: Come with 8 Colors pour paint- white, yellow, orange, red, violet, blue, green, black (1000ml / 33Liquitex Liquitex Basics Acrylic Paint Set, 9 x 75ml (2.4-oz), Starter Box,10 Piece Set WHY BASICS? - Liquitex invented artists' acrylics back in 1955 and we've specialized in acrylics ever since. Basics giveGlobal Colours Global Colours Gloss Medium & Varnish - Professional Fluid Mediums | Artist Paints (250ml) Global Colours Gloss Medium and Varnish is a concentrated glazing medium for artists. It produces a final clear protectiFolkArt FolkArt Antiquing Medium Paint, 2 oz Ideal for professional artists and decorative craftersGlobal Colours Global Colours Fabric Medium - Professional Fluid Medium (1 Litre) Global Colours Fabric Medium is a water based acrylic medium used to convert acrylic paint into fabric paints that willPEBEO Pébéo - Studio Acrylics - Silicone Oil - Pouring Auxiliary for Acrylic Painting - Flow Techniques, Pouring and Cell Form SILICON OIL: This additive for acrylic paints is used in combination with Pébéo's Pouring Medium for dripping and pourin32% Off Liquitex Liquitex Professional Satin Medium Fluid, 237 ml Gives color a satin finishWeber Weber Turpenoid Slow-Dry Oil Painting Additive, 236ml Bottle, Clear, 1 Each (1635) Use for thinning artist oils for a lean wash or modifying oil painting mediums with the intention of increasing dry timePacer Pacer F59 Acrylic Paint Solvent Thinners, 1 Litre Gain extra length/covering area, flow and film of paint and lacquerMiraclekoo Silicone Pouring Oil Cell Activator Pure Silicone Oil for Cell Creation in Acrylic Paint,2 Ounce IDEAL FOR ACRYLIC ART APPLICATIONS - Silicone oils come in many different weights and thicknesses. Our acylic pouring oiMedium Rust Acrylic Paint Vallejo Vallejo Vallejo Crackle Medium 17 ml Miniatures A part of the Vallejo Auxiliaries RangeFirefly Books Painting in Acrylics: The Indispensable Guide MONT MARTE Mont Marte Premium Silicone Oil 180 ml, Clear Ideal for creating cells and other stunning effects in acrylic paintingSolid Solutions Impasto Medium - 1 Litre Eye Candy Eye Candy Pigments Premium Red Mica Powder - Valentine Red (50gr) - for Epoxy, Resin, Soap, Paint, Woodworking, Acrylic MULTIPURPOSE RED MICA POWDER – A red bluish pink titanium dioxide, this mica mineral powder is ideal for DIY craft use,Global Colours Global Colours Impasto Medium - Professional Gel Mediums | Artist Paints (1 Litre) Global Colours Impasto Medium is a semi-opaque, heavy bodied modelling paste applied with a brush or palette knife to prWalter Foster The Art of Paint Pouring: Tips, Techniques, and Step-by-Step Instructions for Creating Colorful Poured Art in Acrylic Eye Candy Eye Candy Pigments Premium Black Mica Powder - Yoru Black (25gr) - for Epoxy, Resin, Soap, Paint, Woodworking, Acrylic P MULTIPURPOSE BLACK MICA POWDER – One of our darker black titanium dioxide, this mica mineral powder is ideal for DIY craEye Candy Eye Candy Premium Mica Powder Pigment “Glimmer Ghost Blue” (25g) Multipurpose DIY Arts and Crafts Additive | Woodworking MULTIPURPOSE GHOST / INTERFERENCE BLUE MICA POWDER – A sparkly white based particle pigment that have BLUE hues when mix