Posted inTidbits Getting Rid of Gnats Naturally Posted by Tiffany July 5, 20068 Getting Rid of Gnats Naturally 3 cups of water, 4 tbsp of sugar 4 tbsp of vinegar, 3 tbsp of liquid soap (castile). Mixed it all in a jar or a bowl and place where gnats are a problem. Tiffany View All Posts Post navigation Previous Post Living Naturally Everywhere You GoNext PostA Chlorine-Free Swimming Pool