primalmommy on sun 27 mar 05
I have terra sig that is years old and doing fine. A few things:
One: I learned to make sig at the Church of Vince Pitelka. I never make
a big enough batch to make the hydrometer process simple, but I pounded
a big cork into the bottom of a narrow piece of pvc pipe and duct taped
it into place -- so I pour my batch in there to measure specific
gravity. When it's just right it looks cool -- does this oil-in-a-puddle
thing on the surface.
Two: I keep a funnel handy, and pour my siphoned, reduced and finished
sig into empty two liter seltzer bottles with the labels peeled off. In
permanent marker I write what kind of clay (I have 3 different locally
dug kinds, plus foundry hill cream and redart) -- the specific gravity,
and a date. I stack them in a cupboard and they don't leak.
Three: I never dip a brush directly into the bottle. I pour small
amounts into a waxed paper cup. The pot (esp. greenware) you are
painting the sig on will offer particles to the brush, and you don't
want to contaminate the big batch. if I have some left over, I add it to
my bottle of decorating slip.
Works for me. I have a bottle I made 5 years ago and it still works
fine. You can see if there is settling because the bottle is clear. Just
give it a good shake.
While I am doing tips: I have small batches of paperclay in the
different clay bodies I use. I put them in those drinkable yogurt
containers, labels peeled off and info written on -- and store them in
the freezer so they don't make the scary toxic mold. They thaw in
minutes in cup of warm water or set next to the wood stove.
Yours
Kelly
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