You can clone bitter eggs. Cloned eggs keep quality of the original.
Mods introducing new content into the game.
The recipe to make bioflux from wood seems locked behind something, but everything above it in the tech tree is green?
https://imgur.com/a/2DZZuUx
https://imgur.com/a/bTFRtzp
Fish breeding is prerequisite technology for bioflux from wood. I can see that your tech tree is very different from vanilla space age. I guess that the mods you use and this mod dont work together well.