Shagrathanswered grow question 5 years ago Hi!
This ia what I found: 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.
Soap acts as an emulsifier and will help to mix everything. When adding neem oil to the soap water solutiom, ho slowly and stir all the time