To make an organic vat, use organic reducing agents. Change ), You are commenting using your Google account. You’re very welcome Allison. I think you will have success if you change your lime. I understand why you would put the larger quantity of indigo in the vat (longer use, more dye capacity before having to add additional indigo) — but I’m not sure why the color of the 2 gm vat intensified over the period of a week. Take a good guess. It’s important to keep our textile above this sediment when it’s dyeing. Sucrose (white table sugar) is not a reducing sugar - it will not work. ( Log Out / There is simply something magical and fulfilling in this slow process of fabric design making. NATURALDYES.CA — A site dedicated to the use of natural dyes. Otherwise the dye only gets to the surface of the textile and doesn’t have a chance to penetrate the fiber. Catharine, thank you! I am familiar with dyeing with indigo using lye and some heat, but I would like to move to a fermentation vat. But in my latest dye session I made my first ever "Organic Indigo Fermentation Vat," and it was easier than expected. Clear glass pots of about one litre make excellent test vats. Thank you so much for taking time to reply and I’m so glad I came across your blog! Even on day 3 there was significant difference. To make an organic indigo vat we need the same three things we need for any indigo vat :1) indigo, 2) a reducing agent and, 3) a base. ( Log Out / ( Log Out / Your experiment helped so much. Not to mention the deep satisfaction of knowing that no toxic dyes and other chemicals have been used in making a fabric or a garment. What happens when the fabric touch the sediment? I start my vat with hot water, close to 140-180°F. I so look forward to receiving them and following your experiments and results. Enter your email address to follow this blog and receive notifications of new posts by email. It’s as easy as 1,2,3. So interesting. The vat is still working well but over the months the sediment has gotten very deep, which has reduced my dyeing space so much that it’s time to make a new vat. Thank you! Change ), You are commenting using your Facebook account. We suggest that individuals do their own experiments. Change ). Thank you Catherine for another fascinating article. Change ), You are commenting using your Facebook account. As always your posts seem to reflect the stages I am up to with my own vats and observations! and information is mostly scattered on private blogs and in some books and seems that like with everything in life ingredients and techniques used are mostly a personal choice. That seems to maintain the temperature at about 63° F and the vat is happy. I could understand the colors of all three vats being similar at first and then the 2 gm vat diminishing first, the 5 gm diminishing next, and the 8 gm lasting longest — but I am puzzling over the 2 gm appearing to yield darker color over a week’s time. Unless you know how much indigo, you can’t really determine how much sugar (or other reduction material) or how much lime. Fructose is a “reducing sugar” so it will reduce the indigo. Perfect timing. As the user gains familiarity with the process, this becomes more intuitive. It would be very interesting to see whether the smaller amounts of indigo reduce as quickly as the 8 g/l vat if the same amount of water to lime and fructose were added to all three vats. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Change ), You are commenting using your Google account. ( Log Out / Yes, I do. Should the formula perhaps take the volume of the final vat into account?
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