Processing the Black Water Trough of clay
Some of you may remember me posting about a huge water trough full of clay I got when we did the foundation for our shop. I’ve used this clay for years by processing out more …
Category: Testing
Reclaim Test and adding 5% EPK to black tub clay
Adding 5% EPK to the bucket of the black tub clay that already had 22% neph sye added did indeed jump the absorption from 1.5% to over 3%. The test tile was less shiny after …
Well some progress…and some disappointment…
Yesterday, I completed a cone 6 firing with mixed results. The clay from the big tub, which tested at 1.5% absorption but looked shiny, slumped badly. I had been afraid of that. I conducted a …
Moving back to cone 6
After trying working with my deep red clay at cone 9/10, I am moving back to cone 6. At least for the time being. I knew when I moved to cone 9/10 that I might …
More working with the silty clay
This is the batch I dug a few days ago and processed half of it to see if I can recreate the accidental perfect batch. I posted a few days ago. I kept it a …
100% Local Clay Body
This clay comes from an odd low spot, on top of a hill on our land. Right out of the ground, it’s very silty and not plastic enough to throw, fires to above cone 8. …
Light Clay Body Test #1
This body uses one of my lighter colored clays. It’s probably more than 50% sand right out of the ground, however, it’s very easy to process, settles out of a slurry wonderfully, and de-waters quickly. …
Clay Body Test using Red Clay and Neph Sye
I haven’t been very good at keeping track of my clay tests recently. I need to blog about these as a way of keeping up with what tests I’ve run and what needs to be …
It’s getting there…
The reason I decided to switch to cone 10 reduction vs cone 6 oxidation was to limit the amount of materials I have to buy (and ship) and to reduce the amount of physical labor …
Firing Cone 6 Glazes to Cone 10
The day before yesterday, I did a test run of my cone 6 glazes at cone 10. The firing went a bit cool at 9.5 but close enough. However, I could not find my underglaze …