Got a little crazy with muriatic acid and ended up giving up on the idea. This is what I'm left with. Can these be salvaged soaking in vinegar or something similar? :
Quality leap for TRM cast iron pipes ≡ EADIPS FGR Gussrohr Systeme
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Cast iron drain pipe keeps clogging and backing up into shower. Can I replace this with PVC myself? : r/Plumbing
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