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Old 02-12-2003, 06:12 PM   #1
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Algea: from green to brown?

We've had some green algea on our LS (for about 2 weks now, best guess). We've been taking as much of it as we can off the sand bed with limited success. Now it looks like the algea is turning brown.

Is this normal? Is this something we should be concerned about?
We plan to get some conch snails & more hermits to help control the algea a little more but now that it's turning brown, is it too late?

the tank is:
29gal
31lbs LR
40lbs LS
two ZooMed oscilating PH (Powersweep model 214)
BakPak2R skimmer
approx 8-10 blue leg hermits
approx 9 various snails (Astrea & tiger)
3 turbo snails
pipe organ coral (one)
leather toadstool coral (one)
2 scooter blennies
2 TR percs
green brittle star (one, soon to be none..we're gonna get rid of him)
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Old 02-12-2003, 06:21 PM   #2
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Quote:
Now it looks like the algea is turning brown.

Is this normal? Is this something we should be concerned about?
The turning brown could be indicative of the algae dieing or it coulb be that another form of algae is taking over. Can we get a pic?
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Old 02-12-2003, 07:15 PM   #3
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Boy it's wet out there, got home and see I need to post these here they are, the algae like I had posted before that was all over the sand was green, it is not like this now it is a brownish red color, it was not like this yesterday, we still plan on getting the conches and get rid of our green brittle star hopefully tomorrow night.

I've included two pics, the one that is green turning brown is the way it looked yesterday, this is taken in the back, it only seems to be in areas that get light, anything that is shaded by the light does not have any algae growing on it.

Hope these help.
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Old 02-12-2003, 07:31 PM   #4
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That looks like red slime or diatoms...to me. What kind of water are you using? RO/DI?
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Old 02-12-2003, 07:40 PM   #5
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we are using RO water. Ok, I know Diatoms are ok, but what about redslime?
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Old 02-12-2003, 07:47 PM   #6
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red slime is a very prolific algae, that feeds on excess nutrients in the water. I would recommend cutting back on feeding, doing a water change (siphoning off as much as possible). Make sure your skimmer is working as efficiently as possible, make sure all your parameters are in line, and increase current across the sand bed.
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Old 02-12-2003, 08:00 PM   #7
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Looks more like diatoms to me.
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Old 02-12-2003, 08:40 PM   #8
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Looks more like diatoms to me.
I tend to agree...it doesn't really have that slime algae quality, but I've never seen diatoms get stringy like that.
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Old 02-12-2003, 08:54 PM   #9
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Thanks Kevin.
We'll cut back on the feedings. Right now we're feeding the feather duster & corals every two days w/ zoo. It also happens that the percs like the zoo also. The regular feedings on the percs are alternating between flake & brine 3 times a day. We'll cut back to twice a day but still keep the duster & corals on the same schedule & see how that works for us.

Thanks again!

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Old 02-12-2003, 10:11 PM   #10
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I thought I saw some gass-bubbles in there too.... might want to think about getting some more circulation as well. More circulation always helps control algae of that type.
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