Dr Bronner’s Sal-Suds Soap: 2 Tbps/gallon
Neem Oil: 2 Tbps/gallon
Rid-Bugs or other essential oils (optional): 10 drops/gallon of each essential oil.
NOTE: Use the basic formula of neem + soap weekly as a good all-around preventive tonic and up to 3 times weekly for more serious infestations.