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Old 02/11/2019, 10:58 AM   #1
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Join Date: May 2015
Posts: 87
Exclamation Hair Algae Problem

Hello, I have 250 Reefer, I only got 1 sixline wrasses and algae benny

im looking for a cleaner crew that will get rid of the hair algae on the rock

thank you.

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250 RedSea Reefer
2 XR15W Gen 4 Pro Ecotech Radion
Eshoop Skimmer

Current Tank Info: 54
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Old 02/11/2019, 11:26 AM   #2
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Join Date: Sep 2017
Location: Ontario, Canada
Posts: 2,672
CUC except for urchins and sea hares, do very little if anything in controlling algae.
I find it quite ironic that stores sell these CUC packages, in which the death of those CUC members simply adds to the nutrients.

If you have GHA, then your nutrients are being managed to high, and/or your light is too intense, to long, or wrong colour spectrum.
GHA disappears of its own when nitrates are managed between 2-5ppm and phosphates between 0.02-0.04.
Urchins will clear the Alage but at the cost of coraline not to mention some knocking over of corals. Sea hare is great but once the algae is gone, the hare will die so must be re-homed.

The fact is that even if a CUC could do a great job removing GHA, if you don't manage the nutrients, it will just come back"

I found it easier to pull the stuff I see, use a toothbrush and keep nutrients in those stated ranges where GHA cannot survive. Took about 2 months keeping nutrients in the range with NOPox and a GFO, but then, it just turned translucent and disappeared.

It never returned.....

BTW I do keep some Astreas (polishers) and some Nars (turnover sand)...

Last edited by Uncle99; 02/11/2019 at 11:31 AM.
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Old 02/11/2019, 05:32 PM   #3
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Join Date: Aug 2017
Location: Austin
Posts: 754
yep CUC will not make up for you pulling it out. They will help keep it trimmed. Get rid of the nutrients and / or find something that will use them and then the hair will starve.

Tank sizes, 2-10's a 55 and one that's about 500gal

Current Tank Info: Interior decorating happening
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Old 02/11/2019, 09:19 PM   #4
Reef noob_
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Join Date: Aug 2013
Location: holmdel, NJ
Posts: 554
I just went through a huge hair algae outbreak after I moved all my rock to a dark sump and had the resulting die off dump tons of organics into my water.

Manual removal, water changes, and setting up a large refugium helped and the algae is already almost cleared up only ~1 month later.

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New Build in progress
90 gallon DT, 65 Gallon Fuge, Chinese LEDs, LPS and Soft coral reef
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Old 02/14/2019, 10:53 PM   #5
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Join Date: Jan 2019
Posts: 158
Originally Posted by Uncle99 View Post
I find it quite ironic that stores sell these CUC packages, in which the death of those CUC members simply adds to the nutrients.
Not to mention that the package always includes crabs that invariably prey on the snail population

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