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Old 06-09-2015, 06:34 AM   #1
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Irritating GHA needs to be dealt with...

It's been slowly growing in the exact same places for about 3 months now.



Some of it also seems to resemble Bryopsis a tad... Is this bad? It's been there for months but it doesn't spread whatsoever.

The tank params:

10 Gallons.

Amm - 0ppm
Trite - 0ppm
Trate - very near 0pmm
Phos - 0ppm maybe 0.03ppm in the right light
PH - 8.0
Calc - 500ppm
Alk - 7.9 dKH
Mag - no test kit

I use LFS RO water for WC's and top offs.

Up until a month ago, I used 25tds water.
I've now switched to 2tds water.

I've thought that maybe it's the original 'crappy' water which caused the growth and it'll just die off eventually by itself.

I run GFO, Carbon and Purigen in a HoB.

I yank out the thickest GHA every week during a w/c.

I'd say the growth in that picture is average weekly growth.

It's not spreading anywhere, just re-growing in the same place. Mainly on some Putty I used for the rockwork.

The tank is stocked with 1 juvenile Perc Clown, 1 Cleaner Shrimp, 2 Scarlet Hermits, 2 Banded Trochus Snails and 1 Turbo Snail which is smaller than both the Trochus'.

My college course finishes in a few weeks and I'll have time to focus on tackling this issue.

Any of you guy's sage advice would be appreciated.


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Old 06-09-2015, 09:58 AM   #2
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Id think that the hermits would have taken care of it. But I'd say you could spot treat it with hydrogen peroxide.


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Old 06-09-2015, 11:50 AM   #3
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If it resembles Bryopsis, then you need a Mag test kit.
Get Kent Tech M Magnesium, raise your level to 1600. Leave it there until you see the stuff turn yellow and die off. Then your all set.
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Old 06-09-2015, 02:15 PM   #4
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Irritating GHA needs to be dealt with...

Quote:
Originally Posted by Reefing Madness View Post
If it resembles Bryopsis, then you need a Mag test kit.
Get Kent Tech M Magnesium, raise your level to 1600. Leave it there until you see the stuff turn yellow and die off. Then your all set.

It really doesn't look much like Bryopsis.

Not like any of the images I search, just one or two feather-looking strands within the forest.

I'm really trying to avoid dosing anything in a tank so small.. But I'll see what happens in a couple of weeks time.

Actually.. Now that I've said that, it is looking a lot more like Bryopsis..

I'm now worried.

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Old 06-09-2015, 02:45 PM   #5
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After doing a bit of research, H2O2 is looking extremely appealing to me..

I might pick up some and figure out a battle plan.


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Old 06-09-2015, 02:56 PM   #6
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Quote:
Originally Posted by keegster803 View Post
Id think that the hermits would have taken care of it. But I'd say you could spot treat it with hydrogen peroxide.


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Might you recommend a certain strength Hydrogen Peroxide?

I'm seeing stuff from 3% to 12%.


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Old 06-09-2015, 03:08 PM   #7
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I have killed "nasties" with H2O2.
Here's a good link since you are across the pond and have different % peroxide(in US we have 3% only with out special order(you may have 9-13% as you mentioned.)
Hydrogen peroxide - The Free Freshwater and Saltwater Aquarium Encyclopedia Anyone Can Edit - The Aquarium Wiki
I killed a particulary invasive species of calurpea with H2O2 over a 3 week period of daily or every other day spot applications.
It has never returned since !
It turns to O2 and water in aprox. 12 hours so dosing is up to your observations.
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Old 06-09-2015, 03:42 PM   #8
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Quote:
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I have killed "nasties" with H2O2.
Here's a good link since you are across the pond and have different % peroxide(in US we have 3% only with out special order(you may have 9-13% as you mentioned.)
Hydrogen peroxide - The Free Freshwater and Saltwater Aquarium Encyclopedia Anyone Can Edit - The Aquarium Wiki
I killed a particulary invasive species of calurpea with H2O2 over a 3 week period of daily or every other day spot applications.
It has never returned since !
It turns to O2 and water in aprox. 12 hours so dosing is up to your observations.

Thanks, that's a very handy read.

According to their own test, 60ml of the 3% stuff for 66G.

That means that 9ml is appropriate for my 10G.

I'll definitely have to give it a go soon.


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Old 06-09-2015, 04:12 PM   #9
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Mind this stuff around any corals or shut off circulation for 5 minutes or so
just to be safe IMO.
Some corals are sensitive to this.
My urchins run TO it when I dose?
Still have all of them !
Seeing bubbles from application is a good thing!
I would pull as much as possible manually to help the peroxide work quicker.
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Old 06-09-2015, 04:50 PM   #10
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Quote:
Originally Posted by CCXGT View Post
After doing a bit of research, H2O2 is looking extremely appealing to me..

I might pick up some and figure out a battle plan.


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Here is a battle plan

FantasyReef Databases-Viewing item "10 Step Plan for Nuisance Algae Control"
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