The calcium is a bit high (450 ppm is the normal upper limit). I'm not sure that's the problem, though. You might be seeing a bacterial or phytoplankton bloom. Is the water grayish or green? How long has the tank been running?
its kinda hard to say what color it is, with the lights it looks blue. i guess it could be grey. tanks been running overall about 2 1/2 years(moved everything from the 55 about 8 months ago)
Well, a magnesium test might be interesting, but the odds are a bit low. I'd try taking out a glass of tank water, and letting it settle for a while, to see whether there's a precipitate involved.
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