03-05-2013, 01:13 PM
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Originally Posted by Ashtreelogger
yep that's about the gist of it.does adding bacteria supplement have something to do with it?i add it weekly to every water change.if that is bad let me know
i normally do a 50% water change a month and a 25% change weekly
Cyanobacteria is caused by organics. A 5 gallon with one Betta should not be problematic with organics unless you are overfeeding and/or doing insufficient maintenance. The latter involves weekly (every week) partial water changes; 1/3 to 1/2 the tank volume, and do a bit of substrate vacuuming at these.
No matter how well you remove this, unless the cause is rectified it will always return. I have had it a couple times in only one tank, and it lasted for weeks. Every week, do a good water change (1/2 or a bit more until this is gone) and remove as much of it as possible. It comes off easily with your fingers and will settled on the substrate, then vacuum it out. Don't overdose fertilizers, I actually stopped adding these until it was gone. And feed sparingly. Keep the light under control.