I buy mine but somewhere I have a formula to make one. I tried looking for it but I can't find it sorry. Maybe someone will post it here, There is no shampoo or soap in the real one. It uses a food wax like an anit-wilt does to stick to the plant.

http://www.discount-hydro.com/pestcontrol.asp
Zandor Reviewed by Zandor on . Zandor???HOT PEPPER SPRAY??? Is that bought or made?If made how? Rating: 5