I get mine from here..http://www.smarter-world.com/viewproductdetail.asp?id=118&Group=11Bazz...
Ive got a 5L pump spray and i put in 1L tfr then fill it up with water... works for me.Bazz...
It depends on the job your doing but i find it fine for me but then ive had some real bad jobs to do with it.Whats with the bucket of hot water?Bazz...