Brown algae

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Looks like we've got a brown algae problem (from what I've read is not an algae at all but a bacterial infection/organism).
Suggested treatment I've read is an 80% water change (to eliminate the silicates and high nitrates). Any other solutions?  Is 80% water change too much in one go?..will it even work? 

It's also spread to the sand. 

Mike

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Reply #1

Looks like diatoms to me.

They are classified as a single celled algae, but don't appear as just green dots like chlorophate type-algae, but very pretty don'tcha think:


I wouldn't go as high as 80%, but it would reduce your nitrates/phosphates and silicates by 80% providing there's none in your new water.

Two 50% water changes would reduce them to 25% of their current reading, whereas 80% water change in one go would take it to 20% of it's current readings, so not a lot in it really, 5%.
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Hai

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Reply #2

I would suggest to have more flows if possible and to ensure the skimmer is working properly. Maybe wet skimming for a week or so ...

catfishgibbs

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Reply #3

So two 50% changes would be better? 

So annoyed at this, it was all going smoothly, then suddenly a tank of brown gunk! 


Yeah they look pretty magnified..not so much smothering my rocks! :)

Mike

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Reply #4

Yeah you can leave them one day apart, it's just less shock to the system, and worth the 5% IMO.


You get outbreaks of lots of algae, cyanobacteria, dinoflagellates, diatoms, etc, it's all just part of the tank maturing. Nothing to be annoyed about, it's not poor husbandry, it's inevitable.
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catfishgibbs

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Reply #5

Thanks :)   Two 50% water changes coming up..as soon as our snazzy new RO unit is finished doing its thing!

HK_Fuey

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Reply #6

If you reduce your feeding for a while and maybe reduce lighting a while too, that will all help.
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T-Bone Tyrone

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Reply #7

All great advice, it's not your fault, it happens to new tanks.
It can also happen if you change your lighting for new or simply lengthen your photo period for the tank.
I might be back....

catfishgibbs

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Reply #8

It's still there, but seems to be going... Or maybe I'm just getting used to it!


Steve's Marines

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Reply #9

Have you thought about doing a members tank thread? Would be cool to it maturing and developing, what fish and corals do you have? How's that anemone doing?  ;)
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catfishgibbs

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Reply #10

Yes I should do that :) I'll try to do it soon. The anemone is doing well, quite happy up on its Perspex shelf away from predators!

zollybosher

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Reply #11

It would be good if you have the time do as suggested then I can feel inferior with my tank and its quirks .. plus others can see what is a normal/unusual when a tank is maturing .. I wished I had done this before I started (left joining a forum till after I thought I knew what I was doing)

catfishgibbs

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Reply #12

It would be good if you have the time do as suggested then I can feel inferior with my tank and its quirks .. plus others can see what is a normal/unusual when a tank is maturing .. I wished I had done this before I started (left joining a forum till after I thought I knew what I was doing)

Dude you have nothing to feel inferior about when it comes to my tank!  Still learning too..and also didn't join until we had acquired the tank (in our case we acquired a tank and fish all in very sorry state, and have been working on fixing it up!).
This forum is a great place for asking questions, and everyone is so friendly!..I've never been made to feel bad for asking silly questions :)

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