I, like Cathy, have had good luck with Knock-Out Gnats. It's a solution of Bacillus thuringinesis ssp. israelensis. As organic as it gets. As far as I know it's the same product as Gnatrol, which is OMRI-approved. Russell At 01:11 PM 3/21/2011, you wrote: > Thanks for sharing that tip with us ! That's the kind of info that > really does help us all. >Where might I locate something like this ? Hydrogen peroxide ? How >often is this done? >Thanks, Jude Russell Stafford Odyssey Bulbs PO Box 382 South Lancaster, MA 01561 508-335-8106 http://www.odysseybulbs.com/