Bad brown residue in FW tank!

[Travis32]

I posted a while back and it wad thought that it was diatoms. We'll here is a picture showing the brown residue on my rock. It is just as bad on my fake plants. Every few days I pull them out and wash them clean using aquarium water, but it always comes right back within a day or two.

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[ImACoolguy]

How long are your lights on each day


Caleb

 

[Travis32]

From roughly 8 am until 9 pm. So around 12-14 hours.

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[ImACoolguy]

From roughly 8 am until 9 pm. So around 12-14 hours.

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Tada! Too much light you have brown algae. Cut it down to max 8 hours a day and it should subside.


Caleb

 

[Travis32]

Ok. I will start immediately! Thanks very much

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[Fishy Fever]

If you have no live plants, you can just leave the lights on for 6 hours. Do you have an algae eater in your tank? Amano shrimp might eat brown diatom algae.


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[Travis32]

No algae eater in tank, yet. I have been only leaving lights only for about 7 hours the past few days and that has helped tremendously.

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[IllusionX]

I pretty much don't eve turn on the lights if there are no plants.

My gold fish gets light from 5pm, when I come back from work till I put the kids to bath, at 7-8pm. It still gets a bit of brown algae.

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