F fishorama AC Members Jun 28, 2006 12,844 2,192 200 SF Bay area, CA Feb 5, 2010 #11 I ended up getting a cheap UV from Petsmart to finally (knock wood) get rid of cyano. It loves low nitrogen. Vac out as much as possible & try a 3-4 day blackout. Lots of water changes help...good luck!
I ended up getting a cheap UV from Petsmart to finally (knock wood) get rid of cyano. It loves low nitrogen. Vac out as much as possible & try a 3-4 day blackout. Lots of water changes help...good luck!
