I couldn't find the original message so I'm not sure what your problem is entirely, but:
I had a white cloudy water problem in my 30 gallon oscar tank recently. I was able to clear the problem up by:
-daily 25-30% water changes.
-using "cycle" according to the directions on the bottle. (weekly)
-adding aquarium salt <<-not sure why this helped or if it helped, but if you have catfish and/or plants, don't try it.
I think it was mostly the water changes and the "cycle".
Also, try rinsing out your filter in the old aquarium water. This helps to keep the good bacteria and also rids the filter of debris which may be helping to cloud the water (uneaten food, poop...)
Good luck & be patient! As long as your readings are still "0", this problem is probably not dangerous for your fish. (what is the pH reading?)