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Old 03-03-2011, 11:39 AM   #1
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Question Help Identify Algea

I think I have a few kinds of algea beginning to populate my little 29 gallon fish only tank. CAn somebody take a look at the photos and help me identify what I have. Is there such a thing as bad algea versus good algea?







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Old 03-03-2011, 03:21 PM   #2
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the purple is coraline and good,the hairy stuff is hair algae,remove this before each pwc.The brown may be diatoms,just part of the tank cycle.
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Old 03-03-2011, 03:41 PM   #3
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OK, thanks. So, exactly how does one remove the hair algae, just scrape it off? Does anything eat it? Obviously nothing I have does. I have two turbo snails and four little hermit crabs.
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Old 03-03-2011, 03:48 PM   #4
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I've always taken the rock out of the tank and scrubbed it off. I've never had much luck getting a fish to eat it.
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Old 03-03-2011, 03:52 PM   #5
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whats your water test results?how long are the lights on for,any fish in the tank?do you use RO/DI water?
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Old 03-03-2011, 04:07 PM   #6
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29 gallon FOWL tank - no sump or skimmer

test results: am:0 no2:0 no3: 20 ph: 8.2-8.4

Lights on from 8:00a until 9:00p.
Light source 50/50 Reef Sun 24"

Livestock:
2 green chromis
1 small clown
1 bicolored blenny
2 turbo snails
4 very small hermit crabs

I do not use RO/DI water but I am reading about it now. My wife has already had it up to here with the money I have spent on the tank so I have not done that yet.

When I scrub the rocks, I do that in the old water from a water change or while it is in the tank? The stuff is in every nok and cranny, so do I buy a new toothbrush and just scrub the crap out of it? Do I need to be careful not to take off other good algae?

Sorry for the newbie questions, it is just that I have learned the hard way not to trust the folks at my LFS.
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Old 03-03-2011, 04:10 PM   #7
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I'd go get a cheap cheap touthbrush and just make it the tank toothbrush. Pull out the rock into the water change bucket, and scrub that goo off into the dirty water. If you scrub into your tank, you'll just get algaecrud everywhere.

Don't worry about scrubbing off the coralline, it's really hard, you won't scrub it off easily.
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Old 03-03-2011, 04:10 PM   #8
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A buddy of mine just put 10 of those teeny hermits in his tank and they went to work on his hair algea, but your mileage may vary.

And you gotta research and find the source of the hair algae. Likely related to excess nutrients. Scrubbing rock now will do nothing for the long term if something is still feeding it.

The purple stuff is good. Let it roll.
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Old 03-03-2011, 04:11 PM   #9
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Until you figure out why it's there it'll keep coming back , but that should help you clean up the tank.
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Old 03-03-2011, 04:13 PM   #10
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tap water is a cause for algae,also cut down the lighting schedule,and keep doing at least 5 gallon water changes each week untill nitrates are 0,the water,lights and nitrates are feeding the algae,(nutrients )pulling it out helps butit will grow back unless the nutrients feeding it are gone.Check phosphates as well!


looks like we were writing at the same time Ray!!!!
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