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Old 01/18/2018, 02:11 PM   #326
rsucre
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Join Date: May 2015
Posts: 114
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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