Your water parameters definitely seem to be out of whack. Make sure your test vials are not contaminated, and that you are using the correct charts. read the instructions and make sure you are not suppose to be using a multiplier or divider for end result. I would recommend you browse the helpful articles on page one very good where they pertain to water quality, beginner articles, and nebie articles may have some insite for you. in additona I recommend the following articles:
Helpful Article Page
1- Calcium Additives *********************page - 2
2- Understanding calcium and alkalinity *******page - 2
3-Calcium additives and more **************page - 3
4- Reef Matters*************************page - 4
5- DKH & CA++*************************page - 4
6- Kalkwasser**************************page - 4
7- pH********************************page - 5
8- Sea Water Buffer System***************page - 5
9- Alkalinity, Hardness, pH*****************page - 5
I seems to me that maybe you have low oxygen levels, or, you are experiancing the results of long term buffer additions. the above articles should give you some insite as to what your problem is. without knowing exacty how you maintain your system and all equipement, etc. it is impossible to guess what the problem might be or a combination of problems. the above articles will cover all those bases. let us know if the articles help you and what your final opinion is. also keep us posted on your progress. good luck.
Additionally I would recommend you start some major water changes. say 20 percent every 3 days until your system stabilizes. if you are using additives cease all additions until you can get your water parameters under control. remember to top off system with fresh ro or distilled water and then do your water changes. your make up water should be same temperature as main tank, and salinity should be same. make sure you are using saltwater test kits and that they have not expired. good luck and keep us posted on your progress. water changes ASAP you can start. since fresh makeup water is slightly caustic, you will need to mix and aireate new salt water for at least 24 to 48 hrs with good circulation before adding to the main.