Alum Recipe For Marbling

Add water to thin the colors skim the marbling base then test.

Alum recipe for marbling. The reasons behind this i have not been able to find out but it might historicaly have something to do with. The marbling paints sink to the bottom of the tray. 1lb alum 3 gallons of alum mixture. Add 1 teaspoon of methocel methocelulose powder per gallon of solution or throw out and start a new recipe.

Mix 3 tablespoons alum per 1 quart of hot water. In this case you should apply the alum by the soaking method. Alum is a mordant meaning it causes color to set on the paper. Continue in this fashion adding color over color and letting paint spread out and form random shapes.

You can do this the night before. A 20 x 26 will hold approximately 2 gallons of water. The trick to adhering the paint to fabric is presoaking the fabric in alum. If you marble on the wrong side the pigments will not properly adhere to the paper.

Marbling colors are too thick. Let the alum dissolve then soak the fabric for 20 minutes. Lay a sheet of paper on the surface of this alum water. Mark one side of your watercolor paper with an a and use a sponge brush to apply alum solution evenly to that side of the paper.

Pour this mixture into a large marbling tray. 1 gallon of water to 8 tablespoons 1 3 cup of alum. Corn starch in 1 2 cup cold water. Without it the marbling will be faint and blurry.

Make a double recipe of liquid starch by dissolving 4 tbs. Buy pure aluminum sulfate from an art supply store or online. Let the paper dry overnight or speed drying with a blow dryer. Alum is the third most important substance in marbling after the gall and the size.

Let pigment spread out 2 to 3 inches. In recent posts i ve looked into the types of alum and the quantity necessary for marbling paper. To make enough alum for several dozen sheets of paper stir 1 tbsp 15 ml alum into 1 cups 360 ml warm water until completely dissolved at least two minutes. There are a lot of different recipes for mordanting fabric prior to marbling but with my natural dyeing experience to guide me i d like to share my method.

Hang to completely dry before marbling. Put one third cup of alum into one gallon of water or you can cut this recipe in half. Marbling on tragacanth does not requore alum but the paper must be dampened slighly to accept the colour. Dissolve 2 tsp alum in 3 4 cup water.

With a coffee stirrer drop paint onto several spots on surface of size. Now let s turn to fabric marbling. Add another color dropping paint into middle of previous color if desired. It makes the colours adhere to the paper.

1lb of alum 24 tablespoons of alum. Stir for 2 or 3 minutes till the alum is dissolved.