My suggestion would be not to do any water changes untill the cyno has gone. The cyno uses nutrients from the water column and light to grow, everytime you change water you are proving fresh nutrients for it to grow.
wouldnt you want to do a water change?? the nutrients that cause cyano and mostly nitrates and partially phosphates. fresh water change water is lacking both of those, and contains nutrients such ad calcium and trace elements which are not major contributors to cyano outbreaks.
IMO do a waterchange and start trouble shooting on what is causing the parameter to stray away from desirable levels.
the water change will remove the water that has elevated nitrates and phosphates and replace it with clean water, limiting key nutrients for the cyano
---------- Post added at 01:22 PM ---------- Previous post was at 01:19 PM ----------
also im assuming youre using RO/DI for water changes and top off?
Originally Posted by Manoj's Reef
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