How to Make Your Own Neem Oil Pesticide - Greener Ideal
Aug 17, 2012·Since neem oil does not readily mix with water, you’ll need to use an emulsifier like a mild liquid soap. 3. Mix. To make one litre of general-purpose neem oil spray, mix 5 mL neem oil, 2 mL of liquid soap and 1 L of water. Add the soap to the water first and then slowly stir in the neem oil.