Clark writes
Yes, Turf Mark Blue can be used inconjuction with Boracare in a crawlspace. It is labeled for use in homes to mark where termite spray such as Bora Care have been applied. It can be used on wood studs, foundational wood or concrete. Keep in mind that a dye like Turf Mark used with Boracare will be a permanent stain.
Answer last updated on: 07/11/2017