Diving into pottery

mwar15 said:
I think in pottery anyone can throw some clay together and call it a “bonsai pot,” but to do it well is a different story. I am not saying I am doing it well, but I keep trying to challenge myself to keep myself entertained. I have waited a few years to take on a bag pot. I have been talking with other artists that have been doing this for well for years. This is from a slab not on a wheel. This is my third try and each one gets better. View attachment 539713View attachment 539714
Click to expand...
Glaze turned out pretty good
IMG_8643.jpeg
 
That’s an interesting shape - are the walls hollow or super thick?
 
Nice! I didn't know anyone else was making hollow walled pots, it opens up some great possibilities.
 
mwar15 said:
Matching whiskey tumbler and orchid potView attachment 550399View attachment 550400
Click to expand...
Love your work so far! Sorry, not to derail the thread but I'm just curious, do you have any concerns with lead in a cup like this? My wife and her sisters have been on this lead kick lately* so I end up getting a lot of info on the prevalence of lead in dishes, especially vintage stuff. Just curious if you use different glazes when you know it's going to be used for eating/drinking.

*-I'm not generally too concerned about lead exposure from dishes myself, I figure it's minimal but it's a thing in our house now. Leaded gas on the other hand... oh boy, that was some nasty stuff. Fun fact the guy who helped invent leaded gas went on to create CFCs (https://en.wikipedia.org/wiki/Thomas_Midgley_Jr.).

Sorry for the threadjack, back to your pottery!
 
LuZiKui said:
Love your work so far! Sorry, not to derail the thread but I'm just curious, do you have any concerns with lead in a cup like this? My wife and her sisters have been on this lead kick lately* so I end up getting a lot of info on the prevalence of lead in dishes, especially vintage stuff. Just curious if you use different glazes when you know it's going to be used for eating/drinking.

*-I'm not generally too concerned about lead exposure from dishes myself, I figure it's minimal but it's a thing in our house now. Leaded gas on the other hand... oh boy, that was some nasty stuff. Fun fact the guy who helped invent leaded gas went on to create CFCs (https://en.wikipedia.org/wiki/Thomas_Midgley_Jr.).

Sorry for the threadjack, back to your pottery!
Click to expand...

No, there's no lead in modern art ceramics. Lead is impossible to buy in ready-made glazes for artists to use, and I've never found recipes for using lead in a glaze. It's rather chemically easy to replace, and has so many downsides that it's not worth the difficulty to use. Those glazes can't be marketed as food safe if they have lead in them

It is possible that commercially produced dinnerware does have lead glazes -- they're still in use today. From what I've heard (via Ceramics Material Workshop and their podcast For Flux's Sake), lead glazes can be pretty safe if the recipe is chemically durable. However, the US' definition of "food safe" essentially means that it can't contain lead or cadmium in it. There's another rule in the ASTM for "durable" and "well-fired" ceramics used in dinnerware, meaning that glazes must resist chemical decomposition and fired clay must be fully vitrified (can't absorb water).
 
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