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Old 11-03-2003, 01:12 AM   #11
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I have alot of experience with cyano. I have 6 tanks currently in salt and all have had their share of cyano. I agree with the post from hoveboy, patience and constant perseverance are the cures to this. Please do yourself a favor and stay away from the chemicals and antibiotics as you will be just treating the symptoms and not the problem. One other thing that will help, if you can do it, (I am not sure what the contents of your tank is), is turning all lights off for 4 to 5 days. That will help. Get a good skimmer running online, continue to siphon daily, cut your feeding, no matter what it is, down by half. This will all help to cure it within a month or two.

The other thing to remember is we have all gone through this, and along with hair algae, it is the most frustrating thing that there is.

HTH.
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Old 11-03-2003, 12:38 PM   #12
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This is a cynano bloom, and that stuff loves warm lighting combined with nitrate.

The reason the nitrate levels are low in this tank is because the cyano is eating it as fast as it's produced. I bet as soon as the cyano is removed, the nitrate levels will increase, and hence you'll get another cyano bloom to compensate.

Get the skimmer working, and check your lighting. Chemical warfare is futile on this stuff and can do more harm than good.

Some conchs will eat cyano, but the cyano usually grows faster than they can consume it.
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Old 11-03-2003, 07:23 PM   #13
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Cheers everyone... thanks for all the help...

I understand that we really want to stop the cause not the condition, so I'm not going to try to medicate it. I have no corals/anemone's in this tank yet, so i'm not tooo worried about it except that it is having it's way with the fine coraline algae that's already on the LR.

I plan to look into the water quality, I've spoken already with the water vendor and they didn't mention anything about re-mineralizing, but then why would they?

My Nitrates were at 10ppm steady for 2weeks leading up to the bloom, and then dropped, so I suspect you're all right about that. It's a young tank, I'm hoping that within the next few weeks my society of Nitrate destroying bacteria will develop and this wn't be such a problem... I'm just afraid they'll never develop with this algae scarfing up all the nitrates...

I lowered my photoperiod to only 4 hours of white light (I don't want to stress the fish with no light at all) and feeding has been halved... we shall see...

thanks again.

p
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Old 11-13-2003, 09:44 PM   #14
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Will turning all the lights off for 4 to 5 days kill my corals? Also having Cyano Bloom
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Old 11-13-2003, 11:59 PM   #15
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Will turning all the lights off for 4 to 5 days kill my corals? Also having Cyano Bloom
That would greatly depend on the corals but for the most part I would not suggest it. If there are no high light demanding SPS or clams, you could opt for just running the actinics instead without the white lighting and reduce the photoperiod to about 6 hrs/day. Please post your coral types to be sure though...

Manually removing the cyano via syphoning will also help immensely.

Cheers
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Old 11-14-2003, 02:04 AM   #16
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just as an update...

my local hippie water guy (he really is a hippie) swears that they do not remineralize and that they have no measureable silicates, nitrates etc... my own tests have confirmed this... in fact, he says he has several customers who buy bulk water from him for fishkeeping... shrug

I lowered my photoperiod, got some more cerith snails (who seem to eat it when it's in their path) and halved my feedings. It slowed a bit, but has not gone away!!!

So, yesterday I did a 20% Water Change with water bought at my LFS (their awesome, very knowledgeable... and they do tests regularly) and cleaned out as much of the offensive stuff as I could get to and BOOM! I get a massive bloom the next day. This with less light and less feeding... and my nitrates are still around 5 ppm or less (which I'm blaming on the cyano!)...

Honestly this stuff of mine doesn't play by the rules...

I finally got a skimmer (some things came up that prevented my being able to afford one when I wanted to get one)... I suspect the skimmer will work!

BUT... (and thanks to those who've read this far... I know I rattle on) could this be the result of poor lights? I've got (GASP) coralife bulbs... they came with my new fixture and well, I just didn't want to replace them if they'd work. I know these can be a little dishonest when they say "10,000 K" etc... so, if the spectrum is off, could it cause my woe and pain? (I think I already know the answer to this!!!)

thanks again everyone....

p
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Old 11-14-2003, 02:18 AM   #17
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BUT... (and thanks to those who've read this far... I know I rattle on) could this be the result of poor lights? I've got (GASP) coralife bulbs... they came with my new fixture and well, I just didn't want to replace them if they'd work. I know these can be a little dishonest when they say "10,000 K" etc... so, if the spectrum is off, could it cause my woe and pain? (I think I already know the answer to this!!!)
Getting rid of cyano is not something that can be dealt with as an overnight "remedy". It can take a bit of time and diligence. Continual manual removal and the other things you have been doing will help in time. As to the lighting, it will depend on how long you've had them. Coralife makes great cost effective hood but I am not a fan of their bulbs. IME, they do not last as long as you'd think and generally need replacing about every 8ish months depending on how long they are run each day. If available, I would switch to CSL if it's time to switch. The spectrum is much better, they should last a few months longer and if I'm not mistaken are a similar cost.

Cheers
Steve
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