I bought a product last year called Burn Out ll. Made by St Gabriels, it has citric acid, clove oil, mineral oil and something else. I sprayed weeds on Tuesday and even established dandelions are dying. I also added some dawn dish detergent to help it stick to the plant. It can be used by Organic Farmers. Bleach can also be used, I forget how it breaks down but supposedly is harmless also. Also corn gluten is the same as preen and cheaper to use after seeds have sprouted, do not use before or the seeds won't sprout....this is a weed preventer not a weed killer Denise Jefferson Hills ============================================================================ POST is Copyrighted 2011. All material remains the property of the original author and of GSD Communication, Inc. NO REPRODUCTIONS or FORWARDS of any kind are permitted without prior permission of the original author AND of the Showgsd-l Management. ALL RIGHTS RESERVED. Each Author is responsible for the content of his/her post. This group and its administrators are not responsible for the comments or opinions expressed in any post. ALL PERSONS ARE ON NOTICE THAT THE FORWARDING, REPRODUCTION OR USE IN ANY MANNER OF ANY MATERIAL WHICH APPEARS ON SHOWGSD-L WITHOUT THE EXPRESS PERMISSION OF ALL PARTIES TO THE POST AND THE LIST MANAGEMENT IS EXPRESSLY FORBIDDEN, AND IS A VIOLATION OF LAW. VIOLATORS OF THIS PROHIBITION WILL BE PROSECUTED. For assistance, please contact the List Management at admin@xxxxxxxxxxx VISIT OUR WEBSITE - http://showgsd.org SUBSCRIPTION:http://showgsd.org/mail.html NATIONAL BLOG - http://gsdnational.blogspot.com/ ============================================================================