The largest producers of cigarettes claimed they were safe too. Only testing showed otherwise. That is not cogent anyway. Food grade plastic was not heat tested by the FDA. There are many claims - some reliable, others myth, that claim food grade plastics leach.
What did I say that is not factual?
The anecdotal stuff that "Bob" wrote back is not particularly applicable here. The fact that he hasn't seen or heard of any problems doesn't create or dispel them. A concern regarding food grade plastics is not hear say. It is based on theory because there are not any confirmable studies to speak of. There are several myths on the internet out there on plastic being poisonous.
Since there have not been any published/verifiable studies on saltwater and longterm exposure to food grade plastics, I still advocate cure to pure because all plastics are made of things I would not want getting into my tank. Curing is simple and is just a precaution.
Rubbermaid plastics, the topic of this thread, most certainly has the ability to leach some nasty items.
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