Ok guys, just a final note on this topic. I added some aragonite into the tank to buffer the PH. Seems my PH was dropping right b4 I did my water changes. I can only assume this has bin happening for a LONG time and that's why the tank was cloudy... It was in a constant cycle because of the PH dropping out. I am actually lucky, not sure how I did to loose all my fish with the ph jumping around as it was. I had tested the PH bunches of times B4 and just never seem to catch it... At the end of the day it was my screw up! Its almost perfectly clear now that I have stabilized the PH. Its getting better each day and started to improve at the end of last week. Thank you all for the help. Hopefully this will help someone else.
Feeding lots of fresh shrimp and tilapia to my predators seemed to be jacking with the PH. 1st time I have ever had this problem!