Cannot get rid of cyano!

[Cal_stir]

Originally Posted by Nate

Do you do regular water changes?

I do regular weekly 10% water changes, and vacuum the substrate every 2 weeks, run HC GFO, carbon, and maintain balanced ca and alk and mag, change filter socks every 2 days, skim wet, run a sulphur denitrator, but once cyano rears its ugly head your pretty much screwed, you can do water changes til the cows jump over the moon but it just won't work, I'm thankful for chemiclean.