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-   -   Why so much brown algae in my tank? (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/why-so-much-brown-algae-my-67682/)

Pufferfish22 04-11-2011 04:52 AM

Why so much brown algae in my tank?
 
I recently moved my pufferfish up to a larger tank 125l, when I did so I moved all the ornaments, live and fake plants and substrate from my old tank to my new tank. It came with a larger filter which I have running in conjunction with my old smaller pump. This was 4 weeks ago and since then I have had a constant covering of brown stuff which I presume to be algae all over everything. The only thing I've added to the tank since is 2 small pieces of bogwood which I soaked to stop them leaching tannins which have baby java ferns attached to. The old tank was fully cycled and established with 0 ammonia 0 nitrite and 40 nitrate (I know this is high we live in an agricultural area and this is what comes out the tap)

Why is this happening when it never did before and what can I do to stop it, it looks terrible? Is it my nitrate levels and should I get some RO water instead?

Tank infor:
125l brackish SG 1.006
4 x F8 puffers 2 inches long, fed frozen blood worms etc ever other day
Temp 25
Planted
Lights on for 12 hours per day (Flourescent bulb)
Ammonia 0
Nitrite 0
Nitrate 40

sik80 04-11-2011 04:59 AM

Sounds like diatoms, which are common in newly setup tanks. They'll go given time but I'd probably reduce your lighting by a couple of hours a day to speed this up

Pufferfish22 04-12-2011 03:31 AM

Quote:

Originally Posted by sik80 (Post 645048)
Sounds like diatoms, which are common in newly setup tanks. They'll go given time but I'd probably reduce your lighting by a couple of hours a day to speed this up

How long do they take to go and how long should I dip my lighting for?

sik80 04-12-2011 03:36 AM

from what I've read here it could take weeks for diatoms to dissapear but each tank setup is different. I'd reduce your lighting to 8-10hrs per day. More plants would also help use up more of the nutrients in the water, making less available for the diatoms. If you don't already have one, I'd buy a cheap timer plug that allows you to automate your lights:

http://www.flatbatt.co.uk/Electrical...plug/timer.jpg

Amano shrimp and ottos are also very good at eating diatoms, but I guess the shrimp wouldn't last long with the puffers and the ottos wouldn't like the salinity

jcinnb 04-12-2011 10:24 AM

Quote:

Originally Posted by Pufferfish22 (Post 645046)
I r....since then I have had a constant covering of brown stuff which I presume to be algae all over everything. The only thing I've added to the tank since is 2 small pieces of bogwood which I soaked to stop them leaching tannins which have baby java ferns attached to.


Could you post a picture of the stuff? I have this brown goop too, and have been unable to id it on the algae sites. It is on some plants, ferns, but not on others, anabus. It really really gets into some floating plants, too. Gets on the glass.

I feel like I need to remove everything from aquarium and SCRUB this stuff off.

ANYONE: would a siamese algae eater (real one) deal with this?

Would love to see a pic.

Byron 04-12-2011 02:32 PM

Quote:

Originally Posted by jcinnb (Post 646188)
Could you post a picture of the stuff? I have this brown goop too, and have been unable to id it on the algae sites. It is on some plants, ferns, but not on others, anabus. It really really gets into some floating plants, too. Gets on the glass.

I feel like I need to remove everything from aquarium and SCRUB this stuff off.

ANYONE: would a siamese algae eater (real one) deal with this?

Would love to see a pic.

This does not sound like diatoms (brown algae).


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