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Honored Contributor
Posts: 14,000
Registered: ‎03-10-2010

Re: Lock and lock black mold/algae problem inside lid

Mine go into the dishwasher, top shelf, and I've never had this problem.  But I can't think of a piece that I re-use daily, so they are having a chance to completely dry.  Maybe the dishwasher sterilizes them, I've never really thought about it.