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Low Fire Friday - Bleeding Cake Glaze (Crunchy texture)

Meagan Chaney Gumpert - Friday, April 06, 2012

Another reliable glaze that works best if applied thick. Bleeding Cake is an opaque glaze with a crunchy, sandy texture.


Bleeding Cake - Cone 04

Volcanic Ash 33
Borax            20
Sand*           16   * (I use the fine grain hobby sand from Michael's or other craft store)
Grolleg          11
EPK              20


[dark blue, moss green, brick red, yellow ochre]

For color add...
Dark blue:  + Cobalt Carbonate 3%
Moss green:  + Chrome 1%
Brick red/warm brown:  + Red Iron Oxide 15%
Golden/Yellow Ochre:  + Rutile 8%

Mary S. commented on 18-Jun-2013 09:43 AM
Hi Meagan,

I mixed up a batch of bleeding cake glaze, but I'm not sure I've done it right. I can't see how I can get the sand to mix in and not just collect into the bottom of the container. I did my best to "sloosh" the liquid back and forth to ensure that all my test colours got some of the grit, but it's not like usual glazes. And some of the tests are nice and thick (like red iron oxide, but there is so much of that colour) but others are much thinner.
It would be great if next time you mixed up a batch, you took pictures. But in the meantime, how do you cope with the sand? I've got some left over, and I'm going to equally mix it in with the colours. Thanks for sharing, I really love the colours and have so many ideas on what to do with it, if I can get nice results!
Meagan Chaney Gumpert commented on 18-Jun-2013 02:31 PM
Hi Mary,

Thanks for checking in! It's tough to say without seeing pictures of what you're doing, but I suspect that you haven't mixed your glaze as thick as I do if your sand is settling out. I mix my glazes, super, super thick! Similar to the consistency of frozen yogurt. It should stay on your brush when you lift it up and not all drip down. This is a photo and blog post that may help. It's of a different glaze, but it will hopefully help show how thick my glazes are. Definitely not like a typical pouring/dipping pottery glaze!

I hope this was able to help you. Please let me know how it goes! And if you have anymore questions, just holler!

Mary commented on 20-Jun-2013 10:29 PM
Well, I guess I will let the first batch dry out a bit, and test them anyway, and mix up a new batch. I guess you don't worry about sieving do you? I'll make some more but not add very much water.
thank you!
I think a trip to Florida may be in my future! Do you do courses on these glazes?
Meagan Chaney Gumpert commented on 01-Jul-2013 01:53 PM
Hey Mary,

Yep, no sieving. Hooray!

And I would definitely be open to teaching a glaze workshop in my studio. I don't have anything on the calendar at the moment, but maybe we can schedule something. I can do private workshop or small group (up to 3 people.) So, just let me know and hopefully we can work something out!

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