A: There
is a quick way to mix Sodium Alginate powder. Alginate (as
it's commonly called) is a natural thickening agent derived
from seaweed. It comes in a powered form that must be reconstituted
with water before use. After reconstitution it has a jelly
like consistency. It is used to thicken dyes for painting
or silk-screening. It's brown and kind of smelly (non-toxic
though), but the alginate itself is washed out after the
dyes are set and leaves no residual colour or odour.
The
problem with alginate is that it lumps up like bad gravy
and needs to be left overnight to work itself out and it
still might be lumpy. Some people will resort to power-tools
to speed up the mixing process. Breathe a sigh of relief,
fore there is a technique you can use to mix alginate in
an hour or two without a trip to the hardware store. The
key is using a wide shallow type of container. I use a cat
litter tray (unused for it's original intent I assure you).
How it works is this: fill the tray with 1 liter of water,
sprinkle 2 to 5 tablespoons (depending how thick you require)
of alginate over the surface of the water. DO NOT STIR!
Allow the alginate to soak up the water and become wet.
It changes from sandy beige to darker brown. This takes
any where from one to two hours depending on the size of
your tray (the smaller the container, the thicker the layer
of dry alginate, the longer it takes to moisten) and the
amount of alginate you're making. When the alginate is wet,
it only takes five minutes of stirring it into the water
to get a smooth, ready to use solution. Remember to store
your left over alginate in a clearly labeled airtight container
in a cool dry place. The refridgerator being ideal.
This
dissolving technique also works well with our marbling base,
a.k.a. methyl cellulose.