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Discussion Starter · #1 · (Edited)
Can someone ID this algae for me....at first I thought it was BBA....but now I think its actually Brown Diatom algae.....anyone have any insight? On some leaves, I can rub it off with little effort (its a thin thin film and looks brown on my hands)
 

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Discussion Starter · #3 ·
ok...its from one of two reasons

1) I changed my tank about 3 weeks ago...new substrate, cleaned it all out...however, I mantained the fish on the 3 existing HOB filters, so the bacteria, should still be there, havent seen a rise in ammonia or nitrites and no fish loss in that time

2) too much light - I had 2 24W T5HO and 2 39W T5HO on the tank, with co2 and ferts....thinking the light was too much, so I cut it down to 8 hrs with just the 2 x24W T5HO

Best way to go about treating this? Should I just run down to the LFS and get some ottos?....I have several Amano shrimp in there, but they barely come out, cause the tiger barbs are hassling them...thoughts?
 

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probably the light, and if you just reduced it I'd just give time to hopefully go away.

If its not gone after a month or so then you could get some ottos. I had it in my 10 gallon tank and 2 ottos got rid of it all in a matter of a couple weeks.

I have seen plecos also eat it, but I don't know what size tank you have so its hard to recommend a type of pleco.
 

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Discussion Starter · #9 ·
haha perfect :) thats what I am going to go with! Not that I dont trust you hahah I just always like a few opinions :)
 

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Hard to say with the picture provided. But since you recently made major changes to the tank diatoms would be my first guess. Even with established filters your tank will need to reset itself. Reduced light might make it less unsightly until things get settled.
 

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If you disturbed the substrate/tank in a big way diatoms will appear from silicates release into the water column from the substrate, becareful not to feed it with water changes and just wait it out, it takes about 3 week to clear comoletely. Oto's love to eat it and are good cleaners to have anyway, but mostly just remove it daily the old fashioned way and use your fingers to do plant leaves.

Diatom do not like strong light so any type of black out will not help, if your bulbs are old a new set may help.
 

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Discussion Starter · #13 ·
yeah I have done some major renos so....it looks a bit better today, i got 3 ottos yesterday and they havae been working hard on most of the algae :)
 
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