As you know if you follow my blog, I share the good with the bad. I hate admitting the bad, because people often put my up to higher standards and I already set my own standards quite high, but here's the scoop: The staghorn coral continues to STN slowly from the base up. And a couple of other spots of white appeared in about three more corals. I kept testing, trying to find the cause. When I tested nitrate this week, they were off the chart. Since that doesn't match what I measured ...