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Celia UKMember Since 01 Jul 2012
Offline Last Active Today, 03:36 PM
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- Active Posts 423
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- Member Title Advanced Member
- Age 61 years old
- Birthday October 25, 1954
Posted by Celia UK on 14 August 2016 - 02:06 PM
The only disadvantage of using a slab in a plastic tub would be the time it takes to dry out the slab ready for the next batch (if you don't want to risk tipping the slab out to dry that is). That may not be an issue in a warmer climate than we have here!!!
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Posted by Celia UK on 01 August 2016 - 02:20 AM
As for combining a big show with a dive trip....well, I'm speechless. I'm quite sure it's great for your well-being to have a hobby that takes you away from your work, especially given your amazing work ethic. Clearly you are one of those people who thrive on it. Well done you!
Posted by Celia UK on 01 August 2016 - 02:03 AM
I must agree Diesel - on all counts above.
Everyone needs to stop thinking about it so hard. The ideal specific gravity of any given glaze is dependant on your personal preference. It's something you record so you can repeat your results, or troubleshoot.
And unless you like headaches, stick to one system of measurements: Imperial or Metric. Combining them, or constant conversions between the two are a good way to mess with an otherwise good day in the studio.
If you weigh out 100g of glaze, just add about 50 or 60 ml of water (the measurement is close enough to the same number of grams at room temperature) and its usually enough to get it through the sieve. The glaze will likely be a bit thick for practical application, but you can then add water after that to make the consistency you want.
Back from holiday (cruise on the Rhine, Old Lady - BTW thanks for info on cups and sticks!!)) - I looked up my notes to find the formula and Pieter was right thinking the formula I remembered was Brogniart's. When I first came across It a few months ago, I saw that it came out pretty close to the guesstimate starting point I'd been doing anyway and wondered why there was such a complicated way of getting there.
- Diesel Clay likes this
Posted by Celia UK on 27 June 2016 - 11:19 AM
In my experience you still have to dremel off the 3 points from the tripod ceramic stilts. One potter I know, teaches students to put 3 small dots of wax on the base, for the 3 stilt points to rest on. This stops the stilts fusing on to the base and you are left with 3 neat unglazed dots. Trickiest thing is to align the stilt on the dots and then place it all on the shelf without moving the stilt. Works if you can do it!
Posted by Celia UK on 30 May 2016 - 09:06 AM
Posted by Celia UK on 04 May 2016 - 06:42 AM
Testing letter stamps for my niece's wedding favours (130 different name tags to go on the heart-shaped dishes in the 2nd photo). Green ware waiting to go into the kiln. Bisqued pieces with tissue transfer decoration waiting to be glazed...
Plus 3 damp boxes of thrown bowls - 1 more to trim, then decisions re decorating all 9 bowls. This is quantity for me Mark! image.jpg 105.57KB 1 downloads image.jpg 73.39KB 4 downloads image.jpg 43.94KB 4 downloads
Posted by Celia UK on 22 April 2016 - 08:23 AM
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Posted by Celia UK on 11 March 2016 - 06:52 PM
IF you decide to turn it out and do the clean up I suggest using a bucket, (taller than your plastic box) stood inside on the plaster, which will take the weight of the plaster when you flip it over to remove the slab and clean up - It might need more than one pair of hands!
If you decide not to bother, you could just give it a good wash out, in situ, perhaps use a small stuff brush around the edges to dislodge any small crumbles and then tip them out with the water.
I have 3 damp boxes like this - love them!
- bciskepottery likes this
Posted by Celia UK on 18 January 2016 - 04:35 AM
All I want is to find/develop 3-4 reliable glazes that I can have sitting there in buckets - knowing that all they need is a quick stir and then go! When dipped the glaze will cover my pieces smoothly with no drips or runs. Any bare spots can be touched up without a problem and the pots can be easily handled thereafter. I'll press the buttons for my preset glaze program and when I open the kiln 24 hours later, I'll be greeted by an array of evenly glazed, beautifully coloured, shiny pots - no thick / thin spots, no crawling, no pinholes, no runs on the shelves. I'll be as excited as I am when I open a bisque firing. (....she woke up and it was all a dream....!)
I discovered a most forgiving low fire transparent that behaves just as described above, which was designed I suspect, for hobbyists, inexpert potters, or even those 'decorate your own plate' places that then glaze & fire for you. I tracked it back to an Italian company, and did once find a UK supplier, so when mine runs out I could replenish it, albeit expensively. What stops me doing this, and seeing if the same company also makes a mid-fire transparent, is the fact that over time and by various means, I have acquired various glazes, including this one, inexpensively - school/ college closing, potters retiring etc. and I'm loathe to waste things. I therefore spend /waste time and energy using a mishmash of glazes, whose ingredients I don't know (so can't 'tweak' if things go wrong) and could never replicate them if they turn out brilliantly. I have done test tiles, but the reality of using some of them on a pot doesn't always match the test. Also, I'm still experimenting with different clays, which adds another variable into the equation.
If I wanted to save my sanity and shed fewer tears, I'd dump all the tubs, small buckets, large buckets of 'stuff' I've accumulated over the past 3 years and start over. In fact, now I've written that down, the idea is most appealing!!!! I'm also thinking of looking up the 100% reliable Italian glaze supplier - see what this forum does for a person! I've rambled on to no good purpose, other than to offer sympathy and air my own angst, but hey ho that's not always a bad thing. Good luck!
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Posted by Celia UK on 17 January 2016 - 03:53 PM
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Posted by Celia UK on 31 December 2015 - 11:47 AM
anyone else in England? near Lincolnshire ?[/font][/color][/quote]
I'm in St Ives Cambridgeshire - not far away (next door in U.S. or Canadian terms!!).
I certainly understand you wanting to decide what to make - for 3 years I've been saying I'm just playing with ideas and trying things out. I really need to make a concerted effort to develop a few ideas and decide on the clay to work with. I AM going to do a few sessions on glaze mixing and that will help, I'm sure. If I don't get my finger out, I'll still be 'playing' this time next year. Making a profit isn't one of my aims, but to submit pieces for a selling exhibition would be a good step forwards!
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