If you have a Brita jug you probably need a pack of these. I live in San Jose and the water is disgusting. Sometimes it's orange and smells like rotten eggs. We did a water test and even called an inspector to check it out. Both said the water was up to standard (whatever that means). Filters help a lot. The water is clear, the taste is pleasant, the smell is pleasant. After about a month a certain layer of some powdery orange appears on the bottom of our dispenser so I clean it and change the filter. The packaging says that the filter should be changed every two months. No, we don't consume excessive amounts of water (it's just my husband and I, and I drink less than a glass of water a day. No kidding, yes I know it's unhealthy). We also tested a water sample from the sediment, the test didn't find anything harmful, and we haven't died yet, so I guess we'll just keep drinking whatever it is.
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