I -was- using Reptibark. I tossed the substrate that was in the tub, and I'm currently freezing the rest of the bag. Right now, my BP is on paper towel and will probably keep it like that for the next 3-6 weeks.
Thank you for the tip on baking aspen beforehand. I still have two huge bags of aspen and reptibark so I'll probably freeze and bake them before I use them again in the future.
I am in Canada and I did not find any Reptile Spray, Provent-A-Mite or Callington Mite Spray at any of the shops.
Last night I scrubbed with hot water and soap, rinsed, then soaked in 10% bleach solution, and rinsed and I also bathed my BP in warm water. I'm planning to do a nix spray in one week.