My Kodak solution does actually precipitate very fine particles of something I always assumed to be silver (in my ignorance, I have to say). As I always use it in good light, I check the print when pulling it and give it a rinse before returning it to the washer. Then careful pouring from tray back to storage bottle leaves the "dust" on the tray for washing off.
Now that's habit and I realise it may be irrelevant to the OP's problem (welcome to the Forum, BJones). Whatever my "dust" is, it does seem to be inert.
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