Tag Archives: fructose vat

Plumbing the depths of indigo ignorance

Now for something totally out of its logical place in the order of things. Before I went to Allansford, I decided to go all out in exploring the depths of my ignorance.  It’s my observation of learners that many of us over estimate what we know.  We haven’t grappled with our own ignorance sufficiently to realise what a teacher has to offer us.  We haven’t applied what we think we know enough to realise where its outer edges are.

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I decided on an all out attempt to use my stock of knowledge and supplies to find the limits of my own understanding. I’d been itching to dye and unable to find time, so holidays were a gift.  I had multiple attempts to dye with woad and then turned over to dyeing with what indigo I still had.  I used up my remaining fructose, and couldn’t find more.  So I experimented with sad fruit from the bargain pile at the local shops. I also collected fallen fruit and such. I read all the books and instructions again.  I had no joy with the woad no matter what I did and in the end composted two vats.

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I tried a yeast vat.  It was quite something watching it fizz! In the end, I weakened and bought another package of colour run remover and rescued some indigo with that. between all these vats, I overdyed leaf prints I hadn’t liked much.  I dyed scraps and offcuts from old shirts that had been turned into drawstring bags.  I even tore up a very worn, patched and mended damask table cloth from the stash and dyed that.

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I achieved only soft blues, but soft blues are beautiful.

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I went to Allansford convinced that I was struggling with achieving reduction, and maintaining temperature, and quite possibly other things besides.  And it was really helpful to go, knowing this, and to be able to see that I had been aiming (mostly) at the right things, checking (mostly) the right things, and had some concepts right, but was applying them in wrong places.  It gave me a really strong sense of the limits of my own judgment.

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Some of the bits and pieces have already begun to re-form… a bit like my understanding of how to dye with indigo!

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And now to consolidate the indigo learning…

I came home from the summer dye camp at Beautiful Silks‘ Botanical Studios in Allansford determined to maximise my learning, and with an indigo dye kit in my bags.

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I teach for a living, and it’s very clear from watching other people learn that many underestimate the effort required to really build understanding and judgment.  Not that I don’t!!!  However–I try to be alert to this learning pitfall.  I decided that I’d make use of my last few days of holidays–and the very suitable warm weather–to try to make sure I could make use of the boost in confidence and understanding I received from Jenai Hooke in Allansford to move my dyeing forward.  First step: mixing up my starter.  I know–that’s what you say when you make bread.  Let’s admit between us that I’ve made more loaves of bread than indigo vats.

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I changed the container I was using for my vat and my strategy for keeping it at suitable temperatures, using ideas gleaned from Jenai and some creative problem solving.  I prepared my materials for dyeing properly.  Yes, that’s my reflection with the hat, looming over my soaking materials.

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In short–success!  And even better than that, I dyed over three days and returned the vat to happiness (technical language, this) after that as well.  I’d run out of fructose so decided to experiment with honey.  My beloved is on a low fructose diet so the fruits, vegetables and substances that contain most fructose have been quite a study at our house. Nevertheless, guessing is necessarily involved and I’ll have to do this again to be confident I understand what is taking place and can reproduce it.

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A friend brought a large scarf over and that had a very successful dyeing on the first really good day for dyeing in the vat.  I dyed a cotton scarf I brought home from Allansford too (it was white when I left Allansford).  I did a lot better on achieving a nice deep blue than I did before the workshop, and I was in no doubt extra dips deepened the colour, which had been something I felt didn’t always happen previously.

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As usual, I treated this whole process as an experiment which meant I dyed all kinds of bits and bobs of pre loved linen, overdyed things I thought could bear improvement, and dyed some bags, because bags.

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I cut out a pair of shorts from three tired old T-shirts headed for the rag bag and overdyed the pieces.  Finally, as the vat seemed to be exhausting, I turned the leftover t-shirt strips into yarn and overdyed them too.

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So–success!  I have definitely learned something about the fructose vat.  I know more about strategies for tyng and clamping fabrics for dyeing, even if I am still a beginner.

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Indigo fructose vat

I am determined to learn to use Michel Garcia’s fructose indigo vat rather than the very simple but clearly toxic and stinky hydrosulphite vat. I am also on a mission to create handspun, plant dyed yarns for colourwork, and I have a pattern in mind which requires some greens.  Also a plan about sock yarn in which this previously undyed, now (osage orange yellow) skein of BFL/silk becomes a variegated green.

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I prepared the vat and waited for a bronze sheen and yellow-green liquid below as signs reduction (the removal of oxygen from the vat) had been achieved.  I have a Ph meter to ensure the Ph is within range.

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I had success with reducing the vat but a lot of difficulty in getting the Ph into a range suitable for wool.  In the end, I decided to make the most of it and dipped my ugly cotton bags several times.

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In all I dipped them three times and they are now an old denim colour which is a decided improvement.

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Once I had managed the Ph, next came fleece from Viola, previously dyed in coreopsis or osage orange.

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Finally, in went the gloriously yellow sock yarn.  That yellow was so awesome I was tempted to leave it as it stood.  But I was looking for yellows and various shades of green, and here they are, ready for the next stage of my cunning plan….

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