Watch This Video Before You Go Swimming On The Gulf Coast

Thanks in part to a government tourism campaign, people keep swimming in the water off the Gulf Coast.

That could be a mistake. Check out this local news crew that takes water samples from crowded beaches to a chemist and find alarmingly high amounts of oil — and one sample filled with toxic gas that causes a beaker to explode! (via monkeyfister)

Don’t miss: Amazing Photos Of People Surfing In The Oil Spill

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