What up Makin Goo,here's a small paragraph word for word out of the grow bible,leaf fringe standing up-Leaf fringes that point up mean the leaf is trying to dissipate as much moisture as possible,but it is unable to .This could be cuased by toxic salt build up,lack of water,or heat stress hope this maybe helps a little for ya sounds like your on the right track with Ali's method maybe u can try flushin just a lil bit to get rid of a lil bit of excess salts good luck with em bro they look great and I'm sure they'll be just fine keep on killin it bro!