First-time cleaning of brass and copper

[kabbo]

Hello, I have built a copper manifold with soft copper tubing and brass compression fittings. Everything is already assembled so the brass sleeves are held permantly on the copper pieces so are the brass nuts.

I read on John Palmer's

[BillyBock]

I'm not sure what it'd do to the copper. You could take a scrap piece of copper and put it in the pickling solution to see what happens.

I suspect your sleeves and brass nuts are at the end of the pipe? I'd try and just suspend the device so only the brass and very little copper is submerged in the pickling solution.