Soda Crystals

 40 gms Soda Crystals to add to your woad dyebath

You will need 50 gms of Soda Crystals to add to 20 gms woad powder dyebath.  We are sorry  - we can't get any more in the containers.  You can use ordinary Soda Crystals from a supermarket or hardware store (which will be cheaper) but we provide them here for anybody who cannot obtain them.