Brown algae in fish tanks are really diatoms. Add algae-eating fish such as the Siamese algae eater Crossocheilus siamensis or the bushy-nosed pleco Ancistrus sp. What Causes Brown Algae In Your Fish Tank Fish Tank Aquarium Algae Algae These fish help keep algae populations under control naturally. Control brown algae in aquarium. Provide appropriate lighting […]

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