I just checked my jug of driveway heat-- no Lot numbers on it...
although I bought it early last winter (novemeber 06) so it should be ok. I also have some calcium hardness increaser plus I got from Leslies pool supply in May of 06 that I'm relatively certain is from Dow (I used if for 6 months til I found the ice melter)-- I should be set for a while... I do have a calcium reactor I need to fire up one of these days.
Thanks for the info everyone ... I'm gonna pass it along (I've been recommending driveway heat on other boards)
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Bill
"I don't want to achieve immortality through my work, I want to achieve immortality by not dying"-- Woody Allen
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