Best way to Get rid of GHA???

[Gustavo89]

ive been always beenlow on Nutrients so i feed normally twice a day. Nutrients are not my problem ( i guess)

1 month ago i started to notice some green hair algae on my Tank!

The tank is 120 Gallons

Im trying with Fluconazole, i started with Fluconazole this past thursday, but i havent seen any changes, they say it can take up to 12 days to see some changes.

Is this the best way? is there any other way better?

Im attaching my ICP Test and some pictures!

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[peteyspizza]

Sea hare

 

[Greg P]

How old is your tank?
What are your tests telling you? NO3 PO4 ?
How much do you feed per day? How many fish do you have and how big are they?
What skimmer do you have?

SO many questions ... you need to tell us LOTS about your system to help you

 

[Gustavo89]

How old is your tank?
What are your tests telling you? NO3 PO4 ?
How much do you feed per day? How many fish do you have and how big are they?
What skimmer do you have?

SO many questions ... you need to tell us LOTS about your system to help you

My tank is 3 years old, first Algae (that i can see) outbreak.
NO3 = 5 ppm
PO4 =0.001 ppm

I used to feed twice a day, i have 2 tangs, 6 clown fish, all of the medium size.
im using currently octopus skimmer 150 int i also have an algae refugium.

Nothing has changed dramatically, same hours of light (around 10 hours) using radeon.

I also tested my RODI water and its silicate free, so i dont know what else to check for!

Cheers!

 

[Greg P]

Add phosphorus to 0.03-0.06
This will bring your NO3 down so add slowly.
Monitor both daily and after a month or 2 you should see a reduction in your algae.

 

[Gustavo89]

Add phosphorus to 0.03-0.06
This will bring your NO3 down so add slowly.
Monitor both daily and after a month or 2 you should see a reduction in your algae.

Should i dose potassium phosphate? or which brand do you recommend me?

 

[Greg P]

Monosodium phosphate and Trisodium phosphate are both good to use.
I believe potassium phosphate is similar, but you should check with @Randy Holmes-Farley

 

[SPR1968]

You may well find the GHA is using phosphate as a food source, so giving false low phosphate readings. Your nitrate is fine.

I can tell you what I do on both my systems, is run rowaphos and it will starve anything like GHA out provided you change the media. I run it 24/7 and have no issues whatsoever

 

[MabuyaQ]

What herbivores are there in your clean up crew, snails, urchins?

 

[joseserrano]

Try reducing to feeding once a day. Corals and fish have plenty of food

 

[Josh_boss]

Grow cheato in your sump to outcompete the hail algae food, fluconazole at 40mg per gallon will work though. But that is temporary

 

[Gordonm]

I wouldn't touch your nutrient levels. Reduce your feeding and grow some macro.

 

[Gustavo89]

What herbivores are there in your clean up crew, snails, urchins?

Only Mexican Turbo Snail! around 20

 

[Gustavo89]

Try reducing to feeding once a day. Corals and fish have plenty of food

yes, i started since yesterday! so i will need to wait to see if it works!

Thanks!

 

[Gustavo89]

I wouldn't touch your nutrient levels. Reduce your feeding and grow some macro.

Right now i have a big chaeto refugium, i had to remove it because of Fluconazole killing it! i will wait some days more to reintroduce it to the refugium!

 

[Gustavo89]

Grow cheato in your sump to outcompete the hail algae food, fluconazole at 40mg per gallon will work though. But that is temporary

If i followed only the instructions from the bottle of Fluconozale, they mention that it should be 20mg per gallon, do you think its better to overdose?

Regards!

 

[Josh_boss]

If i followed only the instructions from the bottle of Fluconozale, they mention that it should be 20mg per gallon, do you think its better to overdose?

Regards!

Yes, honestly I dosed ALOT!!!! And no negative effects and it did nothing to the cheato either so maybe you’re is dying from another reason. I dosed my 75 gallon tank on a Monday at 40mg per gallon and also another 40mg per gallon on the same Sunday because I thought it supposed to work fast: it takes like a month to kill

 

[MabuyaQ]

I would raise PO4 as this is too low at that nitrate level, so if needed a carbon source to stimulate bacterial growth could be dosed if needed. Buy 2-4 tuxedo urchins to graze on the long algae. Snails will keep short hair algae away but once it becomes long enough they won't touch it and you need something else to get it short again. And just wait. Phosphate isn't the limiting factor in algae growth, nitrate is, as they have mechanics to get access to the phosphate stored in your rock. The low available PO4 in your water is actually limiting growth of other organisms that will compete with your algae for other resources (like nitrate) as they don't have access to the PO4 stored in your rock, sand or any other calciumcarbonate.

 

[Marc2952]

I always prefer the natural way by getting a good CUC, but i have had success with using fluconazole.

 

[Ro Bow]

updates? hows the GHA?