Is this cyano bacteria?

I agree with everyone that said ro is not good enough. I was using ro for top off not rly thinking about it and I had a cyano breakout. I started using rodi again and with manual removal it was gone in a month n never came back.
 
RO can play a big part also, i always test my RO water each month to check my RO units ok n nothing needs changing
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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