Beachgoers at a popular Sydney beach have been left baffled after water flowing into the surf suddenly turned a striking fluorescent green — but there was a simple explanation.
The bright liquid was seen streaming from a small runoff channel directly into the Coogee Beach’s surf on Friday morning.
Panicked residents took to social media to express their concerns and frustrations over the mysterious green water, fearing it might be toxic or polluted.
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“I’m so frustrated with the constant pollution of the beach with storm water and council not taking it seriously. We pay huge rates and the bare minimum is to keep our beach clean and not have to swim in rubbish and waste,” one person wrote.
“There are kids swimming right where this has entered the water, also could be a catastrophe for marine animals,” another added.
The fluorescent green water has sparked concerns at Coogee Beach. Credit: Randwick City Council
Randwick City Council responded on social media, confirming the green liquid was “non-toxic” but advised people to avoid contact.
“Our Environmental Health officers have investigated the fluorescent green liquid at Coogee Beach this morning and have determined it is likely fluorescein,” the council said.
“Fluorescein is a water-soluble dye used by plumbers to trace water flows and leaks in sewer and stormwater drains.
“The dye is non-toxic in the environment, odourless and does not affect humans, however it may cause skin irritation and you should avoid touching it.”
The council added that the colour should dissipate within a few hours.
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