Acid bucket/barrel

[Kexlar]

I may be missing something here so please tell me if I am blind.
If I want to make a an Acid Bucket I need Acid barrel and a Bucket.
And if I want to make an Acid Barrel I need an Acid bucket and a steel barrel.

How do I make the Acid Bucket without needing the Acid barrel as both are needed to make each other? So I cannot make an Acid Bucket as I need an Acid barrel, but they take acid buckets to make those.

Am I missing a machine to make these?

EDIT : Think I sorted it, I need to pump the acid away via the pumping machines into steel barrels first then use the acid barrels.