Tony Azevedo

Going green: Changes in water color at water polo, diving

It looks as if the water polo pool is turning green with envy.

The men's Olympic tournament resumed Wednesday in green-tinged water after the diving pool at Maria Lenk Aquatics Centre turned a dark green the previous day. There was no sign of any water quality issues with the water polo pool during the first day of the women's competition Tuesday.

A decrease in the alkaline level in the diving well Tuesday afternoon led to the green color, organizing committee spokesman Mario Andrada said. He added that the pool for water polo and synchronized swimming is being affected in the same way.

"We have treated both pools during the night and the alkalinity levels have...