On Nov 8, 1:55*pm, zxcvbob wrote:
mj wrote:
Where can I buy a pound or two of this and not have the shipping be
crazy? Where could I buy it in say a local store? I have all the other
chemicals for my hydroponics except this one and I don't want to have
to buy a ton.

MJ

Plaster of Paris. *You'll probably have to hydrate it to make it useful..

Bob

As in every elementary school project plaster of Paris? I need it in
a dry form mixed with all the other stuff and then it is dissolved
into the water system.