Hello, i was looking a Canna PK 13/14 and the place i get my stuff from doesnt carry it. can someone tell me witch one of these would be good enough for it? it increases te yeild in the 6th week. Advanced Nutrients, GH, Botanicare, Emerald Triangle, Humboldt. Some of their products for bigger flowers are: Advanced: Big Bud, Kushie Kush GH: Koolbloom, FloraNectar Botanicare: Hydroplex, Sweet Humboldt: Ginormous, Humboldt Honey. I need one for increasing yeild. thankyou everyone.