Brown algae issue - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 2 Old 06-14-2019, 01:26 PM Thread Starter
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Post Brown algae issue

20 gal tank
78F
0 ammonia/nitrite. <20 nitrate
1 betta, 8 rummy nose, 3 coolie loaches
live plants
sponge filter and small HOB



I used to have an issue with blue/green algae which was resolved via chemiclean treatment a few months ago. Now I'm getting carpets of brown algae on gravel, plants, filter, glass that I have been manually removing 2x a week. Any solutions/ thoughts on cause?
Genos is offline  
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post #2 of 2 Old 06-19-2019, 12:24 PM
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The worst cause of algae for me, personally, is leaving the lights on too long. Even with live plants, I find that 5-6 hours of the overhead light is perfectly fine, and any more than that can make the algae explode.

I'm assuming you're doing regular 25%-ish water changes and all that, and your parameters seem fine, so that's the only thing I would guess. Best of luck, algae's really annoying :/
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