To answer your questions about washing them, I found this video to be super helpful for me when I first started using branches for bird-related diy projects:
I've also used Grapefruit Seed Extract instead of bleach. It's a non-toxic way to disinfect. But I would suggest spraying the branches down with a power-washer or something first.
I've also used Grapefruit Seed Extract instead of bleach. It's a non-toxic way to disinfect. But I would suggest spraying the branches down with a power-washer or something first.