Carrageenan and methocel are two different products used to make marbling size.
Carrageenan marbling fabric.
Combine 2 tablespoons 10 grams of carrageenan and 1 gallon 4 liters of water.
4 teaspoons 19 g carrageenan to 1 gal 3 79 l water.
Pour mixture into a bucket and repeat the process with second tablespoon of carrageenan.
They are non toxic and often used as thickening agents in the food and pharmaceutical industries.
If you are hand mixing with a whisk make sure there are no clumps of carrageenan left in your mixture.
In a blender slowly add the carrageenan to 3 cups 0 71 l warm water and blend until fully dispersed.
Start by mixing the carrageenan 1 teaspoon at a time into 2 cups 475 milliliters of water then add the solution to the rest of the water.
Using a whisk or blender slowly add 2 tablespoons 30 grams of carrageenan per gallon 3 79 l of warm tap water.
To use mix 1 tablespoon of carrageenan into approximately 3 cups of warm tap water for 60 seconds in a blender.
Fill it up to the top with cold water.
This 8 ounce bag of carrageenan by jacquard is a natural seaweed gelling agent that provides a viscous surface for marbling on fabric and paper.
Pour mixture into a bucket add enough water to make a total of 1 gal 3 79 l and stir.
Put 1 level tablespoon plus 1 level teaspoon of carrageenan powder into an empty blender cup.
If you must wash the alum tray with hot soapy water and fully dry it before adding the carrageenan solution.
Carrageenan is a seaweed extract and is the traditional marbling size.
Allow to rest for 12 hours before pouring into the marbling tray.
Recommended proportions for marbling.
Then pour this foamy mixture into a half gallon container such as an empty plastic milk jug.
Mix the two together using a blender or hand immersion blender.
Prepare the marbling solution.
Blend it on the highest speed for one minute.
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Try to avoid using the tray you plan to marble with as the tray to soak your fabric or paper in because the alum and carrageenan react in a detrimental way.
Methocel is a common cheap alternat.
Thought i d try some cheaper alternatives to carrageenan powder as it is difficult to find online and is quite expensive.
Carrageenan for water marbling with acrylic paint 1 8lb 2oz 56gr water thickener for diy silk and paper painting gel recipe blender type.