Brown Algae Growing In Fish Tank

Dylanosborn13

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I have some yellow/ brown algae growing in my tank. It’s growing rapidly on the rocks and is super hard to get out. I want to know how bad this is and how to get rid of it, does anyone know?
 

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Puffer_Whisperer

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It is not necessarily bad. Brown algae typically grows because of too much light. However, it could also mean your water parameters are off. How long do you keep your light on and what are your water parameters?
 
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Dylanosborn13

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I turn my light on at 5:30 and off at 10:00, and I don’t know my parameters, but I keep the take around 76-78 degrees

I’m getting a test kit soon though
 

Puffer_Whisperer

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I would assume it is definitely a lighting problem. The general rule for lighting is 8-12 hours a day. Excessive light will cause algae to grow, hence your brown algae problem.
 

LocasPocas

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I had the same issue in a ten gallon. And I love watching my fish until around ten. If you didn't want to jurastically change your lighting situation, you could put an algae eater like a pleco or otocinculus depending on the tank size. I put three ottos and they had the algae gone within a day and they maintain it now.
 

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