In an effort to minimize the use of water bottles, I highly recommend a quick and easy water purification system that my husband installed two years ago. The PUR Faucet Water Filter costs around $30 to $40 and you simply screw the filter onto your sink faucet. While living abroad this year, we have, however, come to find out that this is not a one-size-fits-all system, we’re using a Brita water filter system until we move back to California.
Also, if you enjoy bubbly H2O, try the Soda Stream. We use ours everyday!