okay so thismorning i woke up and my female blue jaw trigger has died and my staghorn grab aswell. i checked all my peramiters and it seemed okay. well that wasnt the case my test kit was old and it was giving me mis-readings obviously for awhile now. and my nitrates skyed over 160ppm. i have done a 50% water change and purchased a new test kit. it has been over 8 hours now and still now change. idk what to do and im affraid im ganna loose all my coral and fish any suggestions? thanks