yup they are stainless and as I saw today both mine are rusted if you lookat mag drives they are intended for fresh water use.. and there are several threads stating to put silicone ove the bolts to keep them from rusting away.. I just keep a eye on mine but both mag drives I cleaned today had rusted bolts. stainless is fine for fresh water.. but salt water will rust it.. Titanium is what salt water versions should be made if..
I have the titanium heaters in my tank.. some one used the stainless ones by mistake and they were all rusted in a month.. this is the same reason that titanium is used for chillers in reefs but fresh water chiller units are fine being stainless.
I have also seen two types of grounding probes.. one made of stainless and another made of titanium that stated "salt water" on it
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
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