Red cyano help

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mattb2989

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Afternoon all. After combatting the lyngbya majiscula issue i had several months ago. This issue went away but now have red cyano on the rocks. Sand bed gets turned over by my sand sifting starfish and chalk goby so none on the sand. Im getting in and blowing it off the rocks every few days and tooth brush once a week if any bigger mats and stubborn bits in crevices. If a piece of rock is spotless i have cyano back on it after 2-3 days. I get a good film of the glass that needs to be scraped every 3rd or 4th day. No3 is 13.2, po4 is 0.07 as of the test this afternoon. Ive tried to avoid the chemical route for aslong as i can. Is it time to just hit it now with red cyano rx? Or any other tips and tricks i can try? Cant do a blackout as running sps aswell. Wave makers are 2 reef wave 25s running random upto 100%
Can see it in the pics attached. The rocks were spotless 3 days ago

many thanks
 

mtraylor

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Try some microbacter7 and keep doing what you are doing while holding steady with the parms. That worked for me. Was a long several weeks. I also put my spare uv sterilizer on that system too.
 
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mattb2989

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@Token_Reefer oops sorry forgot to add the pics. Tank has strong flow throughout. And growing most where flow is hitting the rocks directly. @mtraylor tank has uv running already
 

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TokenReefer

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Wow you're corals are beautiful! Tank looks great. I am no expert just trying to assist... but are you sure its cyano? It looks almost like coralline algae growth. Is it hard to the touch? if it doesn't blow away/move when touched, I lean away from cyano...
 
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