09-30-2010, 08:17 PM
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Originally Posted by njudson
Low flow is also something that contributes to Cyano you can try changing your flow up to increase flow to the problem rocks either by moving the rocks themselves or powerheads and it might clear up on its own. Manual removal like pasfur suggested is a good idea as well but if the conditions which allowed it to thrive once are the same it will almost certainly come back. I wouldn't worry much about the cyano until your tank matures a bit seems like you are doing fine.
Great post. I mean really... dead on... exactly right.
I would not be spending my energy focusing on this problem to any great degree. As the tank matures and the alkalinity and calcium levels are set within the desired range, the cyno will likely go away. Sure, it won't hurt to manually remove it, but it just isn't a big deal. Messing with the light duration is not even an option in my book, especially given that light has very little impact on the growth of cyno.
Nutrients are the problem, especially nutrients in an environment not conduction to coraline growth. You simply added some rock with a bit of cyno on it (in it) and the high nutrient environment fed its growth. No biggie, this will pass soon.
Alkalinity, calcium, alkalinity, calcium, alkalinity, calcium... here lies where your focus should be for now.