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- Mar 9, 2017
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We all, including the owner of that tank, have speculated on the lack of algae in such tanks. I suspect the lack relates to some trace element such as iron limiting its growth. That is the case in some parts of the ocean as well.
The presence of adequate herbivores also keeps algae down, as Lasse notes, but wouldn't likely prevent it from coating the glass quickly if algae had everything it needed.
Interesting. I don't often read about iron or trace elements relating to algae growth. Ill stick with my original plan, maybe try the dirty method someday when I have more experience.