Black hole unit

[Royalexo]

add the lock item feature to black holes that only that 1 item/fluid goes in

[Buuz135]

Have you tried clicking the blue slot?

[Royalexo]

Yes i have tried that with an oak and dark aok sapling
i am using refined pipes mod to send the items to the black hole unit

[Royalexo]

i also hold right mousebutton while a item was in the blue slot and another item went in it