I was very interested in this thread, so I bought one. The one Ms. Collie has is from New Zeland, but this one - probably a copy- is made in Arkansas. I weed wiped about 20 acres yesterday, I used 1 1/2 qts. of dawn dish detergent, 1 1/2 qts. of Glystar and 1 1/2 qts. of Element 4 in 15...