Cyano confusion

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Bxr126

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Hey guys! So my tank has been up for 3 months now. I have 6 fish and a few LPS/Softy frags in there and everybody is doing well. I went through the diatom phase, a lovely bacterial bloom and now I have some brown algae in the DT and green slime in the fuge. There are a thousand threads on how to combat cyano, but I am trying to weed through the conflicting info. Is it high nutrients or low nutrients that feeds it? Right now my test results indicate 10-15 ppm Nitrate and .o8 ppm phosphate. only thing I'm running is carbon aside from the fuge and the skimmer.
 
Three months with six fish may have been a bit too fast for the immature bio filter.
One thing , besides rotting food and poo(nitrates) you’re feeding the cyano is ammonia from the fish.

Keep breaking up the mats, maybe vaccume or stir the sand and perhaps add bottled bacteria.
 
Three months with six fish may have been a bit too fast for the immature bio filter.
One thing , besides rotting food and poo(nitrates) you’re feeding the cyano is ammonia from the fish.

Keep breaking up the mats, maybe vaccume or stir the sand and perhaps add bottled bacteria.
^^^^^^True
 
Zero ammonia and nitrite. The tank is young but it is cycled. The fish were added methodically.
 
So what you're saying is high nutrients?
 
So what you're saying is high nutrients?
Not really , ammonia is constantly produced in a tank. No matter the age. It’s just lower than what we test for and is pretty rapidly converted into no3.
With a low nitrifying bacterial population in. Young tank, the good bacteria can’t consume the ammonia and nutrients, so other organisms do.

Depending on the size of the tank 6 fish and thier food and waste requirements may have been to fast as the bio filter , the bacteria, may not have ramped up enough to out compete.
It’s one of the main things that cause the ugly phase. Even in a small tank with one or two fish.
 
Not really , ammonia is constantly produced in a tank. No matter the age. It’s just lower than what we test for and is pretty rapidly converted into no3.
With a low nitrifying bacterial population in. Young tank, the good bacteria can’t consume the ammonia and nutrients, so other organisms do.

Depending on the size of the tank 6 fish and thier food and waste requirements may have been to fast as the bio filter , the bacteria, may not have ramped up enough to out compete.
It’s one of the main things that cause the ugly phase. Even in a small tank with one or two fish.

Ah ok. So the cyano is basically out competing the nitrifying bacteria for the ammonia.
 

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