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Old 06-10-2005, 06:53 PM   #1
mrwhipels
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can't get rid of this cyno


What the heck. This crap just keeps on coming back. I have cut back on my feeding. I am currently wet skimming. I have upgraded my light to a 196 watt pc. If I feed less I think my fish will starve. I have a 160 gph ph and a 120 gph ph along with A hob skimmer and hob power filter. So I know I have alot of flow. What else can I try. I am loosing hope.
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Old 06-10-2005, 07:50 PM   #2
drsyme
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How old is your tank?

What is the alkalinity and calcium level?

How big is the tank and what type of skimmer do you have?

Is the cyano causing any problems or is it just unsightly?
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Old 06-10-2005, 08:06 PM   #3
mrwhipels
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30 gal. 6 months old. jebo hob skimmer w/300 gph powerhead. unsightly.
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Old 06-10-2005, 08:08 PM   #4
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cal is 350-400 lfs tells me it is at 400 my test tells me it is 350 alk is on my scale some where in the low normal range my scale for my test is low normal hi (red sea)
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Old 06-10-2005, 08:20 PM   #5
AriZonaD54
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Is your tank anywhere near a window or skylight where natural light is reaching the tank? This could be the reason why it keeps coming back.
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Old 06-10-2005, 08:28 PM   #6
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it is near a sky light but the skylight is tinted what do you recomend
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Old 06-10-2005, 08:50 PM   #7
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I can almost definately say that it is related to your nutrients; phosphate specifically. Phosphate will register very low to 0 if you test it right now; because it is all tied up in the bacteria.

How often are you feeding, and how much? Are your soaking then rinsing the food off in RO before feeding? What is the bioload like?
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Old 06-10-2005, 09:44 PM   #8
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start doing small daily water changes and vacumming up each time.
blow off all your LR to make sure nothing is trapped.
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Old 06-10-2005, 09:58 PM   #9
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I feed a small amount daily. I feed a pinch of flake 10-20 small peices and a small amount of brine. I fill a little cup with tank water mix the brine and stir it up then pour it in the tank. I also target feed my ric's once with a week with cyclo-peeze. My bio load is 5 fish yellow tang 2 false percs 2 spotted cardinals. Should I skimm very wet? tims what is a small amount I have a 30 gal? Is it bad to stir up the crushed coral substrate.
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Old 06-10-2005, 10:04 PM   #10
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That's quite a load on your tank, may be part of the problem.

Agreed with Tim, small water changes, gallon or so a day, with 10% weekly's.

I would vaccuum the substrate with a gravel cleaner to get out a lot of the detritus.

I get around a 1/4 to a full cup of skimmate daily, I've found it's a good amount of skimming.
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Old 06-10-2005, 10:05 PM   #11
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i think you may have just found your problem...

You can feed every few days , not every day.
Stir up the CC.. think about removing it all togeather. it is great for trapping detrious. I would say maybe 5 gallons each time. and vacumming the CC and cyano up each time.
also a 30 gallon is too small for the tang. you can have some major head ackes down the line.
continue to WET skimm. keep all your filters clean too. they will gunk up once you start cleaning the CC.
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Old 06-10-2005, 11:40 PM   #12
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How would I go about removing my crushed coral? Should I leave it bare bottom or put down some live sand? Also, how much should I feed and should I be feeding brine or something different?

Thank you!
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Old 06-11-2005, 06:08 AM   #13
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It happends alot on new tanks! Just keep doing water changes ever week and clean the LR and sand and you can also get things to stir up and eat it.Good luck.
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Old 06-11-2005, 06:11 AM   #14
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You can still use it if you want but must clean it often to make sure nothing gets trapped in it.
but if you remove it, slowly take out maybe 1/4 at a time. you can replace it with either Live sand or south down. if you use south down add this slowly so you don't get a sand storm.
You can go BB also or put the cutting board material down as others have done.. Pick up a turkey baster and blow of the LR during this and long after to make sure you get any detirous upand into the water column.
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Old 06-11-2005, 06:55 AM   #15
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good suggestions

you might want to get a sailfert calcium and alk test, and push your alk higher

your tank is young yet, so this cyano might be part of the tanks normal secession, I wouldnt worry too much about it unless it is causing problems.

You should just adopt all of the good husbandry practices as mentioned above, removing the CC, doing frequent water changes, reducing the bioload, and reducing the feedings. I would also suggest stopping the cyclo-peeze.

If you do all of these things and keep the parameters good, then I bet the cyano will eventually fade away.
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