Galeria White Gesso Primer - high quality acrylic primer providing a suitable base layer for painting on top of that acts to seal the support and provide adhesion for paint. Flow Improvers must be diluted with water, when used this way the thin acrylic colour and increase flow without separating the binder from the pigment. Galeria Iridescent Medium – A translucent acrylic gel with an iridescent pigment for creating a shimmering prismatic interference effect with paint. It can be applied directly to work or mixed with acrylic paints to make iridescent colours. Slow drying mediums are usually viscous gels with either a clear or cloudy look. They dry completely clear so it will not effect the colour once it has dried.

Daler Rowney Simply Gesso - an economically priced student quality gesso primer fit for use on paper, canvas and wooden board. Winsor & Newton Professional Acrylic Flow Improver - A clear surfactant that reduces paint surface tension. When diluted with water and used with acrylic colour it increases smoothness and can assist with glaze techniques. If you are using colours that dry with different finishes (such as GOLDEN Heavy Body Acrylic) you can mix some medium into those paints to give all the colours you are using a uniform finish once dry.A selection of acrylic Gloss Mediums, adding some is great way to increase the intensity of acrylic colours. Liquitex Soluvar Acrylic Varnish - A solvent based varnish which dries to a permanent clean finish but can be removed with high strength genuine mineral spirit or turpentine. This canvas has been primed with white, clear and grey gesso and then left unprimed on the far right side. You can see how the paint has bled into the unprimed space and gives a fuzzy edged finish. GOLDEN Wetting Aid - Surfactant solution that decreases the surface tension acrylic paint and increases flow whilst greatly reducing paint mark retention. Ideal for when smooth application and thin paint layers are required. Liquitex Professional Acrylic Mediums - High quality artist's acrylic medium for extending colour and increasing transparency. Available in Matt and Gloss

Winsor & Newton Professional Acrylic Mediums - Artist quality acrylic medium for increasing transparency, flow and extending acrylic paint. GOLDEN Clear Self Levelling Gel – A fluid acrylic medium which increases flow and imparts a smooth level finish to the paint it is mixed with. This iridescent medium provides a pearl-like shimmer where it has been applied, when mixed with colour it creates a pearlescent paint with a shimmering finish.Liquid acrylic varnish comes in a variety of sizes and brands. A soft flat brush is also key for a smooth application. Liquitex Professional Pouring Medium - This medium increases flow and maintains colour strength for pouring techniques, creates marbling effects and colours do not bleed into each other when pouring. Dries with a high gloss finish.

Winsor & Newton Professional Glazing Medium - Acrylic medium which increases flow, maximises transparency whilst maintaining colour strength when used with Winsor & Newton Artist Acrylics. Dries with a glossy lustre. Liquitex Profession Glazing Medium - Glossy medium that dries with a clear finish when used neat. Use with acrylic paint to create glazes or acrylic ink to make smooth acrylic washes. GOLDEN Retarder - Slows water evaporation from acrylic paints and increases open time up to 40%. Mix with paint on palette to prevent skinning and keep colours workable for longer over extended painting sessions. Flow improver is an additive that decreases the surface tension of acrylic paint and increases its flow. Some brands have their own name for flow improver such as; flow aid and wetting agent, but they are all inherently the same thing.Winsor & Newton Galeria Acrylic Mediums - An economical acrylic medium for increasing transparency and extending colour.

GOLDEN Gloss/Satin Glazing Liquid - Highly fluid acrylic glazing medium which can be used to thin acrylic colour without diluting pigment strength. Use to create highly transparent glazes when mixed with acrylic colour and comes in Gloss and Satin finishes. For a comprehensive guide to varnishing take a look at our blog all about varnishing here: Varnishing Acrylic Paintings By the end of this article, you should have a good grasp of the most common mediums and additives you might find useful additions to your toolbox, and how they might benefit your future painting endeavours. Matt & Gloss Medium Montana Varnish Spray - A clear protective varnish with built in UV resistance to reduce fading. Increases durability, protects against the weather and will not yellow with age.

Retarding Medium

Winsor & Newton Professional Acrylic Gesso - a range of superior artist quality gesso that provides excellent absorbency, adhesion, coverage and tooth in fewer coats. Retarder or slow drying medium is a gel additive that increases the drying time of acrylic paints by decreasing evaporation speed of the water in the acrylic paint. This allows for acrylic paint to be worked and blended for longer before drying and facilitates the alla prima (wet-on-wet) technique, which is usually reserved for oil paints and their naturally slower drying time. It also keeps paint usable on the palette for longer.