Title: Black dusty powder on the bottom
Product review: had been alway happy with product, but recently I bought 10 filter pack from COSTCO and found black powders on the bottom of the filtered water, I followed their instructions and tried 3 of the filters and they are all like that.bought this pitcher for office use, and it came with a defected filter (powders again!).Don't buy, they start selling defects now.
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