Manual removal of cyano is utterly futile.
I ran Red Slime Remover when on Zeo and it kicked the cyano once and for all. I was all jittery about doing that while on Zeo but it worked out fine in the end. FWIW I ran Coral Snow like no tomorrow and followed the Zeo instructions on page 23 or whatever and all it accomplished was I used up more Coral Snow and Zeobak than otherwise. Didn't touch the cyano in the least.
The cyano never came back after that treatment.
FWIW/HTH/IME/etc.
__________________
-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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