I was hoping someone would have a reasonable response to chrome removal as everything I have to offer is unreasonable.
I think the safest solution would be taking it to a plating shop and have them do it. This would probably be expensive.
Unsafe do-it-yourself (A) Reverse electroplating. This is dangerous as one of the byproducts of running current though water is hydrogen. I've done this to a small white metal deck fitting that had been chrome plated, the receiver of a Savage model 24, and numerous small rusty deck fittings. It usually took me a day or so with the parts in a bucket of soapy water using a car battery and some big spikes as anodes for the crap to stick to. The longer you do it the smaller part will get so I always kept a close eye on the parts and pulled them out as soon as I has the surface cleaned up enough. I've also done the reverse to nickel plate various metal deck fittings; The finish was poor, but I was only concerned with corrosion resistance as these parts were isolated from the sacrificial zinc circuit and I wanted something cheap and reasonably effective against salt water.
Unsafe do-it-yourself (B) Hydrochloric/Muriatic acid. Never done this myself.
