Cyano with perfect water parameters...

[charlie_g]

I had discussed this earlier but now I'm really stumped. Figured my parameters where off but they arent. I have Cyano growing on my caulerpa in the fuge and smothering it. Can't seem to figure it out... My water parameters are perfect. Tank is over 2 years old with no real problems ever. Everything seems fine. I had also about a week ago added a PH to the fuge increase circulation and no changes in cyano growth. Skimmer producing alot of skimate lately... Fuge light is also about 1 1/2 old, can that be it?


Tank is:

29g Reef
DSB
Fuge with Macros & DSB
Plenty of LR.
75g rated Skimmer
Mostly Softies

Parameters (checked by LFS):

Nitrate: 0
Nitrite: 0
Pho: 0
Ca: 450
SG: 1.022
Ph: 8.4

 

[Anonymous]

as you already know, cyano consumes phosphates. So phosphates can be 0.0 and you have cyano. Just that the cyano is consuming the phosphates being generated.

Whatever you are doing the environment is good for the cyano. As Long as the cyano stays in the fug and away from the display I would not worry about it.

I would worry about the caulpera being reduced or smothered. That would mean less phoshpate (as well as ammonia and nitrate) is being consumed and therefore available to the cyano.

Lights could be a contributor, but basically you have to provide an environment where the caulerpa or other plant life is thriving and therefore out competing the cyano for phosphates.

I would try maybe some chaeto, adding more caulerpa, harvesting some of the existing caulerpa until the plant life is thriving and the cyano goes away.

 

[Unarce]

It's possible that it's a combination of the Caulerpa and DSB.

Just a guess, though:

http://reefs.org/phpBB2/viewtopic.php?t ... t=caulerpa

http://reefs.org/phpBB2/viewtopic.php?t ... t=template