I will be refinishing an old Marlin 99 22 and I have a couple questions about applying Tru Oil. #1. At what temp can I use this product? I live in Wisconsin and its below freezing outside, do I need ventilation and use this in a cold garage or can I just do it inside? #2 Has anyone used the Walnut stain that comes in the kit? How dark is it out of the bottle, or how much should I dilute it? If anyone has pictures of stain darkness on their stocks that would be great. #3 What does the conditioner actually do to the finish? Thanks for all help recieved.