Why certain algae forms over others?

[kb22]

Hey folks,

I am opening the pool for the first time and obviously the topic of algae is something I keep seeing and it's various forms (Green, Yellow, Black, etc.). It made me wonder, how does one algae bloom over the other? Are the colour/types of algae different stages of the same organism? Why would a pool have green algae instead of black? Does black require certain environmental conditions different than green? If left alone, does green algae become black algae?

 

[duraleigh]

There are thousands of species of algae. Each has it's own characteristics.

 

[reggiehammond]

Hey folks,

I am opening the pool for the first time and obviously the topic of algae is something I keep seeing and it's various forms (Green, Yellow, Black, etc.). It made me wonder, how does one algae bloom over the other? Are the colour/types of algae different stages of the same organism? Why would a pool have green algae instead of black? Does black require certain environmental conditions different than green? If left alone, does green algae become black algae?

"Black algae" is actually a bacteria. Algae blooms occur when sanitation is improper, based on whatever algae is present in the environment.

 

[PoolStored]

It made me wonder, how does one algae bloom over the other?

Algae spores enter the pool, brought in by wind, rain or even contaminated swimsuits or pool cleaning tools.

Are the colour/types of algae different stages of the same organism?

No.

Why would a pool have green algae instead of black? Does black require certain environmental conditions different than green? If left alone, does green algae become black algae?

Black algae is cyanobacteria. Chronic (consistent), long term under chlorination leads to black algae.

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