View Single Post
  #2   Report Post  
Old 08-11-2010, 06:55 PM posted to rec.gardens
zxcvbob zxcvbob is offline
external usenet poster
 
First recorded activity by GardenBanter: Jul 2006
Posts: 535
Default Calcium Sulfate / Gypsum

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