Neem oil, 500 ml

Mixing ratio:

1 teaspoon of neem oil and 2 teaspoons of green soap or Zalo per 1 liter of room temperature water

Ready mixed product should be used the same day.

In case of visible infestation, spray well 2-3 times at 5-7 day intervals.

As a preventive measure, you can spray every 3-4 weeks. Or do nothing to spray more often.