Borate Wood Treatment for Termites. Borate is a commonly used way to kill termites the only problem is that it is far more effective if you do it WHEN YOU BUILD .Every year, termites are responsible for billions of dollars in damage. Since wood is their primaryt, these common pests are known.Orange Oil for Termites. Orange oil is something that is extracted fromls from oranges. It is mainly made up of a chemicaled d limonene, which is a natural .Clark Pest Remedy will provide the best solution to your pest problem and here’s why .