Quote:
Originally Posted by Scroopy Noopers
They’re pretty reliable as long as they aren’t expired (10 years old nowadays). I’ve never tested one that failed that wasn’t old as #### or had dead batteries. And I’ve tested thousands (with simulated smoke).
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Can you buy simulated smoke or can you just burn something yourself. Quick search online shows some are "burnt toast proof" (ie matches) which would make me feel uneasy.