I know I can order the water service or bring my own case of water, but....where can I get water on board? Is there water service at the soda station? I am assuming I can buy bottles in the bars. We will bring a few bottles with us, but I don't think we are going to want to bring a whole case on board. My DH is all about "paying for convenience" Is the water on board okay to drink? I may also need to make occasional bottles for my little one. Thanks!