Cyano, hair algae, Both?

[SaltMode]

First post been a reader in here for close to 2 years now. Usually find the information I’m looking for just by searching. Im wondering if anyone has ideas as to what this could be and or what to do.

I had cyano take over EVERYTHING rocks sand the walls was on powerheads I sucked a bunch out and tried the natural way for weeks. Had 0po4 this whole time, gave up and did chemiclean and it seemed to work great.

After the chemiclean (about a month ago) which seemed to work great the mats disappeared but what was behind it was this long what looks like hair algae, didn’t appear red. Now it looks slightly red with blue lights. Lights off shine a light in the tank just looks like green algae. I have since got my nutrients in a better place and that is noticeably helping overall 0.03po4 and nitrate at 4 I am dosing both to keep them up still but they have been stable for 2 weeks at this point.

The algae is easily sucked off of the glass but does have a better hold on the rocks urchin does seem to be eating it, filter floss catches a lot of this stuff and clogs up pretty fast now so seems to be dying back but also I can watch it grow back after the urchin makes a path in spots.

A picture of with orange filter looks very red. Picture without is closer to what it looks like IRL and picture of filter floss,

 

[Mr. Mojo Rising]

I would not be dosing nutrients with algae that bad, I would correct the algae first then worry about nutrients if its needed. Thats pretty bad, can you share some details on your filtration, what do you have for water movement in the tank?

 

[SaltMode]

I would not be dosing nutrients with algae that bad, I would correct the algae first then worry about nutrients if its needed. Thats pretty bad, can you share some details on your filtration, what do you have for water movement in the tank?

Display is 75 gallon with trigger emerald sump reef octo 110 skimmer. Flow is Nero 5, Nero 3, and reef wave 25 return is sicce sdc 6.0. Everything is on random 3 is on max 50% 5 is at 35% same with reef wave. My thought was to get my nutrients in balance to try and outcompete the nuisances with good.

 

[Mr. Mojo Rising]

Display is 75 gallon with trigger emerald sump reef octo 110 skimmer. Flow is Nero 5, Nero 3, and reef wave 25 return is sicce sdc 6.0. Everything is on random 3 is on max 50% 5 is at 35% same with reef wave. My thought was to get my nutrients in balance to try and outcompete the nuisances with good.

That all looks good. The balance is gone, the bad bacteria and algae are dominating the system, by dosing with this bad of a problem IMO it is feeding the hair algae. Bring the tank back into balance first then worry about balancing nutrients. IMO, good luck