Does Armour Etch Harm Plumbing?
Does Armour Etch harm plumbing? (I’m concerned about rinsing it down the drain.) Armour Etch and other hobby creams do not really harm plumbing, but it can etch your porcelain or ceramic sinks if any residue isn’t washed off quickly. People wash the acid cream down the drain all the time. I always recommend that