calcium way off the chart, alka too too, ph is high dangerous level. it doesn't add up, you have a CO2 deficient in your tank. low Alka at your level ph should 8.2 to 8.3 ( normal), so you don't have enough CO2 for your coral to carry out photosynthesis, that is why it is dying The “How To†Guide to Reef Aquarium Chemistry for Beginners Part 3: pH by Randy Holmes-Farley - Reefkeeping.com, scroll down to the graph. either add a co2 reactor or do mad aeration with proper aeration ph problem should be solved.