That's likely causing your coral issues. Having tests that far out scares me.
And I'm with Kien on the pellet front. I've had them running in my tank since day one, and I wouldn't ever think of removing them. I also run GFO as my phosphates can get as high as 0.09 while nitrates will stay undetectable.
Different strokes for different folks though. They caused a cyano bloom the likes of which I had never seen in my last tank, but that was adding them to a high nutrient, year old, tap water tank.
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