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I don't believe that you would have realized any savings, my understanding it that the AI, along with the Ecotech Radions are not being discounted, per a dealership agreement.
Seachem Marine Buffer will raise pH, and I believe that John carries it. But, your pH will change throughout the day, and I would check it at the same time of day each time. 7.8 is not a bad reading if it's near the low end of your daily swing. Using Kalkwasser will also raise pH.
Here's a good...
OK, I'm going to back to test kits. What kind are you using? You wouldn't have this problem if you had '0' NO2, NO3 and/or PO4, it/they don't have to be high, but not '0'.
Also before you start supplementing your Ca, or Alk, make sure your Mg is OK, 1200 min, but 1350 would be better.
Does it look kind of slimy with bubbles under the slime during the daytime? What are your water parameters?
It looks like Dinoflagellates.
Here are a couple of articles worth reading:
http://reefkeeping.com/issues/2006-11/rhf/index.php
http://reefkeeping.com/issues/2005-05/eb/index.php
Any...
Another video here:
http://www.youtube.com/watch?v=PKIQFz86Rm4&feature=related
These look exactly like the Chinese fixtures, except that they used a "real" heat sync and made them dim-able. I'll bet the PAR readings are very similar on both fixtures.
I was using vinegar, mainly to offset the pH problems with my kalkwasser dosing. As to the carbon dosing aspect, it did work, but the bacteria grew in areas throughout my system; in every sponge, prefilter, returns and overflows as a redish-brown snotties(for lack of a better work). I was...