Why do the waves in the ocean sometimes turn blue?



  1. 0 Votes

    Ocean waves sometimes turn red or blue because of phytoplankton in the water. When the tiny organisms are disturbed, they engage a chemical reaction that emits light. The purpose is to deter predators.

  2. 0 Votes

    A lot of times this happens because of phosphorus compounds in the water released as waste byproducts of phytoplankton and algae. The phosphorus in the water is highly light sensitive, and will glow at the slightest provocation.

    Happily, this reaction has no negative side effects on the water or things that lie there. It’s just pretty.

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