Craft Forum / Other / Pottery / April 2007

i FINALLY designed & am producing my own texture tools!  after many
years of using found items like pastry cutters, cement & saw blades,
toy truck tires, etc, i designed my own!  while these were fun to use,
they would clog up quickly & leave less texture marks.  so i made mine

My firing times are increasing and the final ramp temperatures are
falling below those programmed so I'm thinking it's time for new
elements.  Since this will be the first new set since I bought the
kiln, do you have any helpful advise for me?

I fired a piece of Laguna Frost cone 6 porcelain using my regular cone
6 stoneware glaze and the glaze ran.  It doesn't on stoneware.  Does
anyone know if there is something about porcelain that would cause a
glaze to run?  It was the first time I fired porcelain.  Do you have

I am actually a ceramicist but decided to post here because this questions
would apply to pottery as well as ceramics.  I have always be told "not to
airbrush" glazes as it is a dangerous process due to the frit and chemicals
in the glazes.  Is this indeed an unhealthy practice ...