
1) Although they are made in Mexico, they are only suitable for Chinese water torture. same problem. No matter what you do, no matter how many times you shake them up and down (as recommended by the manufacturer), no matter how many times you poke a toothpick in the holes in the ground, they STILL work in the range from painfully slow to impenetrable. I insisted that everything improved. So far. I'm very glad I only ordered one of these because knowing I was spending money on multiple filters would have been painful. I'm afraid this will be my last polyurethane purchase because that crap didn't work to begin with. When they work, they're great, hence the second star. But my definition of "life" doesn't involve fiddling with a water filter in hopes it will work as advertised. Some people may have to wait all day or all night for a pitcher of water to be filtered; Not me. UPDATE (10/26): Twenty. four. Watch. and my jar is not yet full. Best thing to say at the moment is that it filled up while I was out of town for three days. Oops.

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