It seems that sea sponge cultures does not require an initial sea sponge, as is usual in other farms: https://prnt.sc/1cblory

Notice the absence of any "Number of effect sources" (i.e. no sponges in there) in conjunction with "Working" instead of "Disabled by script".

Not that I really mind of ...

Yes, I did kill it

I encountered an error when I drove into a Tar extractor (while it was still getting drilling fluid), which was, I admit, not the best Idea...
The mod Pyanodons Petroleum Handling (2.0.5) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event ...