Homemade Gnat Trap
I've used red cider vinegar mixed with dishsoap in a small shallow bowl to trap gnats that come into the house on fruit and fungus gnats that appear when plants are overwatered. Sometimes it works great, and other times not too many take the plunge. Here's an article that tells ways to avoid and trap them.
How to Make a Gnat Trap
Here`s what you need:
*A plastic soda or round drinking water or juice bottle of two or more liters in size.
*A sharp knife
*Apple cider or other vinegar (apple cider works best, but you can use regular white if that`s all you have on hand).
*A few drops or so of dish soap (especially lemon scented)
*Enough water to fill the bottle a third to one-half full.
To make the trap, cut the top third of the bottle off and insert it upside down into the rest of the bottle to create a funnel that gnats will have difficulty escaping. If need be, you can use duct tape to tape the two parts together where they join.
Once you have made the gnat trap, pour the ingredients in and watch as the gnats become trapped: their population will dwindle and then will disappear over the course of just a couple of days or so. In the meanwhile, be sure to follow the gnat prevention instructions listed above.
Full article: http://www.naturalnews.com/032980_gnats_trap.html
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