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  1. Glaze or clay effect?!

    That's a good point. I think I'll definitely stick to my trusty hairdryer if I experiment to try to achieve this glaze effect!
  2. Glaze or clay effect?!

    May have to work on my Estonian, it's a little rusty... German I could do (I'm from Germany, though living in the UK), but that's about it! I may send her an email - you are probably right, why have your email out there if you don't like getting emails. And the worst that could happen is that she says 'no'. Re. your unfriendly potter, that really is quite off-putting, and I suppose it's fairly close to my 'worst-case-scenario' idea which usually prevents me from contacting potters directly with questions. In person, the few potters I have met I have found to be a helpful and friendly lot who welcome newcomers with advice and generosity, so hopefully this is generally the case and stories such as your encounter in Lyon are rare.
  3. Glaze or clay effect?!

    My French is, alas, pretty rusty, but I managed to copy it over into an online translator and got the gist of it (I think). The technique sounds pretty similar to what Min and Magnolia Mud Research have said. I suppose I could contact her... I'm always a bit worried about bothering people directly, as I imagine they don't want to be pestered, but I admit I'm probably overly hesitant with things like that.
  4. Glaze or clay effect?!

    That's such a good idea. I wonder if this would work more generally with glazes that lend themselves to green ware? I've not experimented with single firing at all, though the idea really appeals.
  5. Glaze or clay effect?!

    That is really interesting, would love to try that. I wonder if a good old-fashioned hairdryerinstead of the heat gun might suffice...
  6. Hi, I'm wondering if anyone has any thoughts on this effect: website is here: http://www.mostra-moustiers.com/fr/galerie-la-mostra/aire-goutt-allikmets.php Is this a look achieved through a glaze that cracks/crazes excessively, or what else is happening here?! I've seen a few vessels with this type of effect recently and I think it looks great, but how exactly is it done?!
  7. I have a tin white that looks like that if fired over darker clay bodies. It breaks at the edges and also produces these speckles. It's a pretty effect, although I was initially annoyed as I'd been on the look-out for a glaze that would cover more uniformly.
  8. Food safety in glazes

    I'm currently firing to cone 8 but also plan to occasionally fire cone 6. Sorry, I probably am overthinking this! So I just apply the liner over the glaze I want to use on the interior, then apply glaze as wanted on the exterior (but without additional liner), and then fire to temp?
  9. Food safety in glazes

    I'll try that, thanks. I have a very basic transparent glaze that I bought rather than mixed myself so I'll check what ingredients it has. Being transparent it's hopefully going to be OK. So would I just use my normal glaze, then add a 2nd layer with the transparent glaze? Or do I double-fire, once at a lower temp for the 'questionable' glaze, and then again at a higher temp with the transparent glaze? Thanks for all the help and advice, I appreciate it.
  10. Food safety in glazes

    That's great, thanks!
  11. Thanks both, that is really helpful. I'll try that for my next firing (which will be a cone 8) and see if I can get it right.
  12. Food safety in glazes

    Related question to all you knowledgeable folks - I know that manganese can be a problem, and I am not using it for anything food related and am also careful not to spend time around the kiln when firing. However, if I have a decorative item that is definitely never going to be used for food, that is fired with just manganese (sponged on, I really like the look of that), would this pose a problem if the item was occasionally handled? Nobody is going to lick it, or anything, but could toxic substances be absorbed through the skin for example? Thanks.
  13. Food safety in glazes

    Min and Mark C., I had assumed that if I use for example a transparent glaze over the top of another glaze they would blend/melt together in the firing process? I can see I have a lot to learn about glaze chemistry. It was never my strongest subject at school, so it's going to be a bit of an adventure I think... Is there any definite list of glaze ingredients and toxidity that I could refer to? As it is I'm going with the label on the bags the stuff came in but while it does say if something is really toxic (Nickel comes to mind, which has a reassuring little skull on it!), but it would be useful to have a list for less toxic materials that might still be moderately harmful if they leached out of a glaze. I don't think I'd ever attempt to drink out of something glazed with a Barium glaze, but there are so many glaze materials that I just don't know well enough to be sure.
  14. Food safety in glazes

    Thank you so much for those links! I'd actually looked at that book on Amazon a little while ago because I saw it recommended, but the price tag of over £200 was a little off-putting. I'll see if it's a bit more affordable directly from the authors.
  15. Food safety in glazes

    Thanks Neil and Pres, I had just assumed that I couldn't re-create conditions adequately well to have comparable batches. My kiln is also still a bit temperamental, but I'm hoping to get that sorted as soon as I can. So maybe this isn't a totally unachievable thing for me after all! Thank you also Pres, for the suggestions re. mixing glazes, I really like the erasable marker idea, going to try that.
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