Glenn, for my plumeria, I use that 2 tbl. per gal. mix, but for my orchids, I use 1 tsp. per gal. I have no clue what the "right" dilution is, but at these dilutions, I've never seen any problem.
drdawg (Dr. Kenneth Ramsey)
The reason it's so hard to lose weight when you get up in age is because your body and your fat have become good friends.