. >> ifif at any time it's not safe, you be the first to show. >> san jose state pulls water from below. a simple flip of the switch will transport the water from below. >> we noticed the water is gray, and it's concerning. >> reporter: what are you concerned about? >> what is actually in my water i'm drinking and putting into my body. >> reporter: but luna says the grayish water is not dirty. >> it's possibly that it appears to be cream colored or vanilla colored because of the sulfur cop tent. -- content. it's checked daily. but some people are more sceptical with a different approach. >> well, i carry water. >> reporter: why do you need to carry water? >> it's more sanitary, or at least it seems that way to me. >> reporter: if you're still concerned about the bubbles in the water -- >> when i got it out the fountain, it was bubbly at first but it settles. it was weird. >> reporter: the bubbles go away, and while many are not surprised with the taste and look on campus, i spoke to the hazard materials specialist who says beauty is in the eye of the beholder. >>> we will be talking to