Colorways By Vicki Welsh ***No order will be shipped March 20 - 25***
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Dye Testing - Soda Ash

Anyone who dyes knows that soda ash is critical to the dye process. The dye can stain the fabric alone but the color is not brilliant, nor is the resulting fabric very color or light fast. Adding soda ash, either with the dye or after the dye is applied, is what makes the color bond permanently to the fiber.
Anyone who knows me will know that I will test just about anything I am told. I know that testing is boring dyeing, but I like to know why I am doing what I am doing. This week I was thinking about soda ash. The dye instructions that I have from various sources recommend a soda ash solution ranging between 1/3 and 1 cup or soda ash per gallon of water. Most prescribe 1/2 cup (or 9 tablespoons, for some strange reason) per gallon of water. 
Soda ash isn't expensive so using a cup vs 1/2 cup really isn't a big deal but why waste product if you don't need to.
In my test I used black (Dharma 250 Jet Black) and 2 color blends that I created. One is a green using Yellow and Cerulean and the other is a blend of Fuchsia and Grape.
I blended 1 large container of each dye and then measured from the blend for each dye container. This was to make sure that I had exactly the same blend in each container. I dyed 3 fat quarters in each color. Within a color, soda ash was applied in 3 different strengths: 1 cup/gallon, 1/2 cup/gallon and 1/4 cup/gallon.
Picture
Interesting, huh? It doesn't show in the photo but there really is a very tiny bit if difference in the green between the 1/2 and 1/4 cup strength samples. Otherwise, the samples are all identical.
You might think that the middle black is a little more blue but that is just a factor of the fabric sample. If you saw the fat quarters next to each other you would not be able to tell the difference between the 3 of them.
Is there a dye chemist out there that would like to comment? Do you think I did this test accurately?
So, what will I do? I'm not sure I have the guts to reduce my soda ash concentration to 1/4 cup but I sure wouldn't use more than 1/2 cup. 
Contact
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  • Welcome
  • Shop
    • Hand Dyed Fabric
    • Glass
    • Just Plain Soap
  • Blog
  • Galleries
    • Customer Gallery >
      • Project Submission Form
    • Quilt Gallery >
      • 2023
      • 2022 >
        • Summer Sunset Quilt
        • Soundwave Quilt
      • 2021 >
        • A Big Green Quilt
        • Finally! Quilt
      • 2020 >
        • Jackies Choice Quilt
        • Penguins on Ice Quilt
        • Corona Cats Quilt
        • Kim's Garden
      • 2019 >
        • Indonesian Batik Quilt
        • Lost My Marbles
        • Remaking Flora's quilt
        • I'm Not a Snowflake Quilt
        • Where In The World Is My Cat Quilt
        • Fireworks
        • The Groovy Quilts
        • The Puppy Quilt
      • 2018 >
        • The Maine Quilt
        • Stars At Sea
        • Antelope Canyon Quilt
      • 2017 >
        • The Wedding Quilt Quilt
        • Rainbow's End Quilt
      • 2016 >
        • CSQ Challenge Quilt
        • Wholecloth Quilt of Valor
        • Luras Choice Quilt
        • Black Swan Quilt
        • 2016 Quilt of Valor Quilt
        • Non Unus Pluma Quilt
      • 2015 >
        • Snaps Quilt
        • Batik Crossroads Quilt
        • Wild Goose Chase Quilt
        • Fractured Fragments Quilt
        • Tell It To the Stars Quilt
        • Cathedral Window Quilt
        • Time In Place Quilt
        • Shaken Not Stirred Quilt
        • Pleiades Quilt
      • 2014 >
        • Spinning Stars Quilt
        • Fractured Spiral Quilt
        • Autumn Leaves Quilt
        • Sea Dreams Quilt
        • Woodland Star Quilt
        • Zombie Ball Quilt
        • Innova Angles Quilt
      • 2013 >
        • Murder For a Jar of Red Rum Quilt
        • Patroitic Quilts
        • Red Sunset Bedding Quilt
        • The Infamous Fish Quilt
        • Gratitudes Quilt
      • 2012 >
        • Illuminated Blocks Quilt
        • Kims Wedding Quilt
        • Crossing The South Anna Quilt
        • Coming Home Quilt
        • See Reverse Quilt
        • Overboard Quilt
        • Floras Fans and Modern Crumbs Quilt
        • The Patriot Quilt
        • On Point Quilt
        • Grinch Quilts
      • 2011 >
        • Star Struck Quilt
        • On A Whim Quilt
        • Catena Quilt
        • Zig Zag Scraps Quilt
        • Purple Keepsakes Quilt
        • Fiberactions Challenge Quilts
        • Journal Quilts 2011
      • 2010 >
        • Maggie the Messmaker Cross Stitch
        • Fiberactions Challenge Quilts
        • Wootten Memory Quilts
        • Teal Tomorrow Quilt
      • 2009 >
        • Shereen's Peaceful Garden
        • TShirt Quilt Commission
        • Three Generation Quilt
      • 2008 >
        • Flora's Quilts
        • Monkey Baby Quilts
        • Citrus Quilt
      • 2007 >
        • Snails Trail Quilts
        • Quilts of Valor
        • Other Quilts
      • 2006 and older >
        • Scrap Bin Quilt
        • Flora's Dutchman's Breeches
        • The Gift Quilts
        • Reversible Quilts
        • Spectacular Scraps Quilts
        • Foundation Pieced Quilts
        • Art Quilts
        • Kathy's Memorial Quilt
    • Symmetry Quilt Gallery
    • Dyeing Gallery >
      • Tie Dye Gallery
      • Shibori Gallery
    • Postcard Gallery
    • Fused Glass Gallery
    • Mosaic Gallery
    • Zentangle and Spirograph
  • Tutorials
    • Save My Bleeding Quilt
    • Postcard Tutorials >
      • Silver Christmas Tree Postcard
      • Easy Framed Motif Postcard
      • Trash to treasure postcards
      • Holiday Ornament Postcard
      • Postcard as a Door Hanger
      • Plaid Tree Postcard Tutorial
      • Button Tree Postcard
      • Fireworks Postcard Tutorial
    • Quilting Tutorials >
      • The Gift Quilt Pattern
      • Keepsakes Quilt Pattern
      • Blocking a Quilt
      • Facing A Quilt Tutorial
      • Veterans Quilt Tutorials >
        • Allegiance Quilt Pattern
        • Gratitudes Quilt Pattern
        • Strength Quilt Pattern
        • Blockade Quilt Pattern
        • Redoubt Quilt Pattern
        • Regiment Quilt Pattern
        • Bars and Stripes Quilt Pattern
      • Rainbow Quilt Free Pattern
      • Binding a Quilt
    • Surface Design Tutorials >
      • Ice Dyeing tutorial
      • Snow Dyeing basics tutorial
      • Snow Dyeing Mandala
      • Sun Printing Tutorial
      • Lamp Printing Tutorial
      • Dyeing extra large fabrics
      • Hold the Retayne
      • Painted Shower Curtain Tutorial
      • Metallic Paint Effects on Fabric
      • Curing Metallic Fabric Paints
      • Zentange Pens
      • Leaf Printing Tutorial
      • Printing On Fabric
      • Life of MX Dye Concentrates
      • Testing Soda Ash in fabric dyeing
    • Color Theory
    • Placemat Tutorials >
      • Rise and Shine Placemat Tutorial
      • Coming Home Placemat Tutorial
      • Mineral Pool Placemat Tutorial
      • Sugar Maple Placemats
      • Fat Quarter Placemat Tutorial
      • Merry Mats Placemat Tutorial
    • Basic Tutorials >
      • Custom Sewing Table
      • Liquid Spray Starch Recipe
    • Crafts and Small Projects >
      • Surgery Drain Bag Tutorial
      • Drawstring Bag Sewing Tutorial
      • Large Tote Tutorial
      • Big Fabric Flower Tutorial
      • The best potholders pattern
      • Notebook Cover Tutorial
      • Pillowcase tutorial
      • Wide Brim Sun Visor
      • Trash To Treasure Holiday Ornaments
      • Pet Bed From Scraps Tutorial
      • Framed Metal Quilt
      • Shooting Shirt Tutorial
      • Making Paper
      • Making Soap
      • Favorite Soap Reicpes
      • Lotion Making
      • Bowl hot pad pattern
    • Longarm Quilting Tutorials >
      • The longarm machine does matter
      • Double Wavy Crosshatch
      • Wavy Crosshatch Longarm
      • Quilting Letters on a Quilt
      • Centering a Quilt back on a longarm
      • Quilting Snowball Blocks
      • Easy Longarm Piano Keys
      • Using Channel Locks
      • Sewing/Serging quilt backing to zippers
      • Adding backing on the longarm
  • Contact
  • Newsletter
  • Privacy Policy