BHT has been said, and proven to work on herpes and help with other diseases. I also would like to know why there is no information in the article for BHT as a cure for many diseases. BHT is a suspected mutagen and carcinogen.
I used to be able to pour the concrete and set the poles by the end of the day, but I don't think the bagged cement available now days will do it. Lately, I pour the foundation, then set the poles in about three of four days, depending on the rain, the more the better.
Choose a sunny location to install your bat. house pole. Bat houses work best with at least. 6-8 hours of direct sunlight (if only partial day. sun is available- morning sun is preferable). Bat houses should not be lit by bright lights. This is one reason installing them on existing.