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JohnnyK

Member Since 10 Nov 2012
Offline Last Active Jul 06 2013 09:03 AM
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Posts I've Made

In Topic: Amaco "Potter's choice" glazes

05 July 2013 - 01:10 PM

I just fired a half dozen pieces to ^6 using the PC20 as a base coat with Palladium, Chun Plum, and Vert Lustre as topcoats on different pieces of Soldate 60 clay. The colors were darker than in their ad, and I'm attributing that to the clay.  One thing I did find out was that you do not want to use the PC4 Palladium as a base coat. I put it under the PC20 Blue Rutile as an experiment on a mug. The colors blended but were kind of a muddy dark blue and the glaze ran to the point where I had 5 gross drips at the bottom of the mug. The interesting thing here was that the drips were all the silver color associated with the Palladium telling me that the Palladium as a base coat was NOT the way to go. The glazes held together well with the Blue Rutile as the base coat.

My next attempt using these colors for layering will be on B-mix clay, and I'll be thinning the top coats to see what happens.


In Topic: Wanting to buy an Electric Kiln.... Need Help

05 July 2013 - 12:47 PM

I have a friend who is a glass artist and I spoke to her about doing glass in a ceramic kiln and she suggested against it.

She said that there may be contaminants from the firing and glazing processes that may affect the glass products. I would speak to your glass suppliers to get their input on any possible cross contamination. If they feel there wouldn't be a problem, I would suggest that you use shelves dedicated to glass for your glass projects and shelves dedicated to ceramics for those projects and keep them labeled and separate from each other. 


In Topic: Black mold on ware boards

10 November 2012 - 10:44 AM

If you're using standard drywall, you will never rid yourself of the mold problem. The paper face on the drywall supports the growth of mold.

What you might do is use a mold resistant variety used for wet areas like showers and bathroom construction. It is available at Lowe's and Home Depot. I believe the stuff at Lowe's is a light lavender color.

The defining term here is "resistant". Anytime you use an organic surface, you will have mold develop in a damp environment.