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[Michael Rossi]

Any idea what this is? Going to test phosphate and nitrate levels tomorrow.

 

[Idoc]

Looks red like cyano...

 

[nano_ryan]

Red cyano. Ryan at brs has a few videos on this topic:

 

[Michael Rossi]

Thank you. That is what I thought. Going to watch the video now.

 

[Michael Rossi]

Just checked my levels:

Phosphate: 0.09 (Hanna)
Nitrate: 0.2 (Salfiret)

I've seen some other posts on here that raising the nitrates actually helped combat the cyano. Does anyone have any experience there?