Here you go, it's in the FAQ
Lime douche: (pH of 2)
- Mix lime with distilled water - test pH. If it isn't low enough mix more.
- Let the solution stand for approximately 10 minutes. -->-->
- One hour before intercourse stir the solution again then insert some of the solution into the vagina (This can be done with a douche or a syringe ~ both available at pharmacies). -->-->
- While inserted, empty the douche or syringe slowly and gently preferably while lying down to ensure maximum effect. -->-->