Tropical Fish Keeping - Aquarium fish care and resources

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-   Coral and Reef Creatures (http://www.tropicalfishkeeping.com/coral-reef-creatures/)
-   -   If This Is Cyano B, I'm Going To ...... (http://www.tropicalfishkeeping.com/coral-reef-creatures/if-cyano-b-im-going-25894/)

gus1911 07-12-2009 09:43 AM

If This Is Cyano B, I'm Going To ......
 
(*%&*H(*%!!!

I'd like some of you reef experts to take a look at this pic:
http://silkentent.com/gus1911/Storag...is%20Cyano.jpg

About 6 weeks ago I began the conversion of a 20 gal all fish tank to a reef. Moved slowly, with water changes following all the prescribed requirement for new reef tanks.

As you can see, I'm experiencing the expected brown diatom takeover, and have been waiting patiently for the tank to move to the next phase. The yellow circled areas are the brown diatoms, but I'm concerned about the red circled areas. Sorry for the blurred image, but it's the best I could do.

What's the red/maroon stuff? It scrapes off easily, so it's not coraline. If you tell me that it's the start of red slime cyano, I'm going to find out who you are and I'm coming after you!!!

There's no reason for any red sline stuff! Nitrates are zero, phospahates are very low, not quite zero, and all other checks are well within range. 95 watts of T5 HO lights, 8 hours/day.

Pasfur 07-12-2009 11:26 AM

Ehh... its difficult to say for sure, but if i had to guess i'd say its small patches of cyno. Given the very small amounts, i'd say add just increase water movement and it will probably go away. Also make certain that both alkalinity and calcium are in the desired levels, 8-12 dkh and 400-500ppm. Adding a power head to move more water will go along way to preventing the occassional small cyno outbreaks.

For the record, i've found phosphate levels and preventative to be more important to preventing hair algae and bubble algaes. Cyno outbreaks tend to occur in areas of lesser water flow, esepcially when alkalinity levels dip below 8-10DKH.

onefish2fish 07-12-2009 11:51 AM

what is your water source?

gus1911 07-12-2009 12:01 PM

Water source is tap water. Tap water nitrates are non existant and phosphates are very low - barely measurable. I have another power head that I can install for more movement.

I scraped a bit of the stuff off a rock and took a pic of it under my microscope at 400x. The yellow circles highlight what appears to me to be strands of cb. Rat ^&)@!!!!

With nitrates and phosphates as low as they are, I should be able to starve the stuff. I'm going to wait a bit.

Here's the microscope pic:
http://silkentent.com/gus1911/Storage/Cyano%20Micro.jpg

onefish2fish 07-12-2009 04:27 PM

you may want to consider using RO/DI water and it would prob. be smart to run carbon and phosban reactors.

aquakid 07-14-2009 12:20 PM

its a tough call


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