hi--i'm new to mumsnet and this is my very first post! i am interested in making the big switch from persil non-bio to an eco friendly alternative but do not want to pay price of small island in carribean for laundry detergent every month as have 2 (+ 1-on-way) children, and am going to be cloth diapering two kids... any suggestions.. old-fashioned tips? cheaper brands, deals on web etc? thanks georgia