My spouse has suffered from cluster headaches for going on 50 years now. He's now 65. During a cluster, he can suffer up to 14 a day. Needless to say, he's tried everything that is available in terms of pharmaceuticals, most of which will work for a time and then not again. What we've found...
If I were you, I would start with 4. Keep it within what will be the legal limit in Canada once it becomes legal, hopefully in the next few months. My experience with CK fem WW is that all seeds germinated and grew well. Actually just harvested 7 plants, great yield, they are now curing...