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Old 01/18/2018, 02:11 PM   #326
rsucre
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Join Date: May 2015
Posts: 115
Hi, I took new measures:

Nitrate: It is now down to 0.75ppm.
Phosphate: Still at 0ppm both regular sample and a sample taken a few mm from the refugium sandbed.

Coral looking good, algae still very little at the back glass, cyano still growing on the display tank sandbed (no change).

I have maintained the 27ml vinegar daily dose.


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Old 01/18/2018, 04:47 PM   #327
Dan_P
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Join Date: Aug 2014
Posts: 1,198
Quote:
Originally Posted by rsucre View Post
Hi, I took new measures:

Nitrate: It is now down to 0.75ppm.
Phosphate: Still at 0ppm both regular sample and a sample taken a few mm from the refugium sandbed.

Coral looking good, algae still very little at the back glass, cyano still growing on the display tank sandbed (no change).

I have maintained the 27ml vinegar daily dose.
I have found ammonia, or at least a positive test for ammonia, and phosphate in the substrate that is growing cyanobacteria, but the presence of ammonia and phosphate does not necessarily predict cyanobacteria mat formation. There might be cyanobacteria growing on the substrate, just not enough to see without a microscope. Still trying to figure this out and will be following your reports.


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Old Yesterday, 09:09 PM   #328
rsucre
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Join Date: May 2015
Posts: 115
I continue with the 27ml daily dose. PO4 = 0ppm (1ppb phosphorus). Will measure NO3 tomorrow. I increased feeding in the last few days, including reef energy and reef roids.

Cyano still on the sand bed.

I ordered some Zeovit Cyano Clean. Perhaps there is a stubborn strain of cyano. I’m not very happy with the idea of using chemicals, antibiotics, etc. On the other hand, I have not read about any bad side effects of that product. What I found is that frequently it does nothing, not even kill the cyano. So I think I will give it a shot.


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Old Yesterday, 09:36 PM   #329
bertoni
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Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 86,157
How much ammonia did the test detect?


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