Turkey plagued by largest outbreak of 'sea snot' on record as mucus hits Sea of Marmara coastline | World News | Sky News

Turkey plagued by largest outbreak of 'sea snot' on record as mucus hits Sea of Marmara coastline The grey sludge forms when sea algae is overloaded with nutrients by warmer temperatures and polluted water. More:Turkey plagued by largest outbreak of 'sea snot' on record as mucus hits Sea of Marmara coastline | World News | Sky News