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The Diving Pool At The Olympics Turned Green And People Are Grossed Out

It's really, really green.

Last updated on August 10, 2016, at 11:37 a.m. ET

Posted on August 9, 2016, at 5:22 p.m. ET

As British diver Tom Daley pointed out Tuesday, something looks...different about the Olympic diving pool.

Compare the diving pool on the right with the water polo pool at left.

The aquatics center hosted the women's synchronized diving finals on Tuesday, and yep, that water was GREEN.

Michael Dalder / Reuters

Here's the same pool two days apart.

Michael Dalder / Reuters//Kai Pfaffenbach / Reuters
Michael Dalder / Reuters//Kai Pfaffenbach / Reuters
Michael Dalder / Reuters//Kai Pfaffenbach / Reuters

The picture below on the left was taken on Tuesday morning. The one on the right was taken later in the afternoon.

Michael Dalder / Reuters

One British diver even said the pool was so murky, she couldn't see her partner underwater.

#greenpool - @toniacouch says it was so green she couldn't see dive partner @LoisToulson under the water #Rio2016

People watching the divers had questions, and journalists in Rio couldn't immediately get answers.

.@TeamGB girls doing well in diving, battling for a medal in a very green pool! Did someone forget the chlorine tablets last night?

No-one will give an explanation for the green diving pool. An official statement from Rio2016 is being prepared!!!

BuzzFeed News has reached out to Rio officials for more information.

Someone is going to get out of this green pool and be bald. Or a mutant. #Olympics

The shade of green looked a little familiar.

Just waiting for Shrek to come out of the swamp that is the Rio diving pool! #Rio2016 #diving #GreenPool #BBCRio2016

"Jacques, no cleaning!" #GreenPool #Rio2016

According to one pool manual reviewed by BuzzFeed News, cloudy green water is usually the result of an algae problem.

A disinfectant or algicide can clear up the problem.

Another possibility for blue-green water is the presence of copper ions in the water. This can be the result of a bad pH balance in the water and requires the addition of a sequestering or chelating agent to remove the ions.

Make sure to shower, ladies!

Michael Dalder / Reuters

By the way, China's Ruolin Chen and Huixia Liu won the gold medal.

Clive Rose / Getty Images

Malaysians Jun Hoong Cheong and Pandelela Rinong Pamg won silver, and Canadians Meaghan Benfeito and Roseline Filion took the bronze.

UPDATE: On Wednesday, the color of the adjacent water polo pool also appeared to be changing.

Kai Pfaffenbach / Reuters

This was how the two pools compared on Tuesday night.

Adam Pretty / Getty Images

And by Wednesday the color of the water polo pool appeared to become more murky.

Tom Pennington / Getty Images

A BuzzFeed News investigation, in partnership with the International Consortium of Investigative Journalists, based on thousands of documents the government didn't want you to see.