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.
Marble paper with liquid starch.
4 how to marble paper with liquid starch.
In one tray mix a starch bath with 4 cups liquid starch and 1 tsp.
Trays should be larger than paper in cups dilute 2 parts of each paint color in 3 parts water.
Place the paper painted side facing down onto the surface of the water in the tub to remove the starch.
We made our own starchy medium with cornstarch and it was only partially effective but apparently you can use liquid starch to marble paper easily as the starch keeps the paint near the surface.
Hold the paper over the starch while the excess drips off.
To marble paper start by mixing alum and warm water and wiping the solution over your sheet of paper with a sponge.
For best results allow the marble paper to dry overnight.
Then lower your paper into the starch with the alum treated side down.
This is a marbling technique for kids that i ve always wanted to try and sorta did and sorta didn t.
Let the paper dry overnight or speed drying with a blow dryer.
You can also switch out the water and use the liquid starch instead.
Make a double recipe of liquid starch by dissolving 4 tbs.
Remove the paper from the water bath and place it painted side facing up on newspaper to dry.
Fill the other tray with water.
Bring 6 cups water to a boil in a sauce pan.
See recipe to make homemade liquid starch above how to water marble with acrylic paint.