My. Tesco Android Signal Is Poor
Technology0 min ago
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For more on marking an answer as the "Best Answer", please visit our FAQ.About your bird box, it's unlikely that the Blueys will return, as they usually have just the 1 brood, but it might be an idea to wait until August just in case....
Remove all nesting materials - pour plain boiling water inside the box - dry thoroughly.
You can then use a water-based preservative Fenceguard or Sadolin - apply only to the outside of the box, not around the entrance hole - make sure the box is well aired and dry before putting it up again. It should be 2 - 5 metres up a wall or tree - well out of an acrobatic cat's reach. ;-)