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View Full Version : How to kill cyno



Reef Swimmer
Sat, 3rd Aug 2013, 04:29 AM
I got a major out break of cyno in my sump and its taking over everything. It's in my skimmer all over my bubble trap and my refugium. How can I wipe this stuff out.

Big_Pun
Sat, 3rd Aug 2013, 08:31 AM
turn off any lights you have down there for a few days. what are you using for light in your sump? also pics would help to id it properly