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How to make Egg shell white Watercolor paint

The next time you’re cooking eggs, don’t throw away the egg shells in the bin straight away. It will surprise you that you can use them for making safe and eco-friendly creamy white watercolor paint and use it for transforming your existing color palette. It also makes for a great rainy day project to get the kids involved! 

White is not a color that is used by traditional watercolor artists.  To achieve white in a watercolor painting you plan ahead, use a masking fluid, wax resist or simply remember not to paint over the relevant white area of paper. But such defined rules shouldn’t stop one from exploring and trying new things. I am not a traditional watercolor artist but I am constantly exploring ways to creating sustainable art , learning something new in the process and applying that to my daily art practice. No matter how unconventional that might be!

Transformed color palette using Calcium Carbonate from egg shells

Egg shell white watercolor paint 

Materials required: 

Washed and dried egg shells

Pestle and mortar

Glass or marble slab

Muller (Glass or stone)

Palette knife

Gum arabic

Distilled water

Clove oil

Honey 

SAFETY

Wear eye protection and  respiratory protection when working with powdered pigment despite egg shells being completely safe to work with. Do not use containers that are used in the paint making process for drinking, eating, or cooking food. Work in a well ventilated area.

Directions

1.  Wash and dry egg shells and remove any egg shell membrane; a thin white membrane that lines the egg shells.  You must also consider the source of your eggs.  I have used shells from free range organic eggs obtained from a local farmer.

2. You could also boil the shells for about 10 minutes or so to kill any pathogens. This step is important if you buy your eggs from a store where you don’t know where the eggs are coming from and cleanliness of the processing facility. 

I had skipped this step because we get our eggs from a known local farmer. 

3. Break the egg shells into smaller pieces with hands or by any other means.

4. Grind the egg shells into a fine powder.  I have used a pestle and mortar to grind egg shells.

5. Grind till you have a very fine powder of Calcium carbonate.

Paint making process:

Place a small quantity of pigment on the grinding slab,  create a small well and add a few drops of binder solution ( recipe ). Using a palette knife mix the dry pigment with  binder solution to a paste before beginning with the mulling process. It is important to achieve correct balance of pigment to binder ratio: a general rule is slightly more gum than pigment.

Begin mulling in circular motion. Mulling is a crucial process of evenly suspending  pigment particles in the binder. This is an important but labor intensive process.

Once you’ve started spreading your pigment paste using the muller and it feels too sticky, add a few drops of binder with a pipette or dropper. Keep mulling till the paste begins to feel like butter and is ready to be poured into pans to dry.

The finished handmade egg shell white watercolor paint.

Using Egg shell white watercolor paint 

1) As a Primer

Priming an area of the paper with egg shell white paint has an interesting effect on the colors painted over it. You can either prime an area with white and let it dry, or go straight into it with wet-on-wet techniques.  You can manipulate the result by having a thorough knowledge of the characteristics of the pigments in your palette.

Foraged natural paints on watercolor paper primed with egg shell white

 

Landscape sketch on primed and non-primed surface

 

2. For opening the door to  new possibilities of color-mixing  and adding another dimension to the appearance of your watercolor art

When you mix egg shell white paint with other colors, it creates a pastel version of that color i.e the colors become opaque. However, the opacity is no where close to the gouache.  Colors mixed with egg shell white paint can be wonderfully useful in depicting landscapes, cloud-scapes, desserts, flowers and much more. A thing to remember is that  some pigments are naturally more opaque than others, so white will effect the opacity of colors in varying degrees.  Think of using egg shell white paint as having a transformative effect on your colors and not as a medium to lighten a color!

Below are some of my experiments  exploring the characteristics of the egg shell white paint. It is really challenging to capture real beauty of the colors mixed with egg shell white paint.

Egg shell white paint on rough cold pressed watercolor paper

Since the colors mixed with egg shell white paint are opaque they can be used to paint on tinted surfaces including black. However, the effect achieved is quite different from commercially available gouache.

Colors mixed with egg shell white paint on black background

 

Colors mixed with egg shell white paint on toned watercolor paper

 

I hope this article inspires you to make your own egg shell white paint. Go ahead and experiment it’s worth it because it’s always a learning experience. Dip your brush into some new colors and see where it can take your work! Not to mention, it’s pretty rewarding to make your own art supplies.

If you want to learn more …

… enroll in my online course exploring the traditional process of making watercolour paints from pure pigments.

Watercolour Paintmaking Workshop

Reference links:

  1. https://www.kremer-pigmente.com/en/information/recipes/watercolor-medium/
  2. https://www.earthpigments.com/artists-watercolor-and-gouache/

 

 

 

Disclaimer:   Kindly take necessary safety precautions during the paint making process.  When working with fine dust, it is recommended to use a respirator or dust mask. Work in a well ventilated area. Do not use containers that are used in the paint making process for drinking, eating, or cooking food. The author will not be held responsible for any adverse reaction that you may have in carrying out this process. All information in this blog is meant for educational and information purposes only. The content represents solely my views and personal experience. The author may change the contents of this document at any time, either in whole or in part.

 

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