Here 's some answers to some of your questions.
The test kit I used was a Saltwater Master liquid test kit.
I have been using carbon in the sump and the hangon filter and replacing it frequently. The lights are being run only about 6 hrs. per day. It has a shallow fine sand bed. I've been feeding frozen food since someone told me the flake food could have been the problem. I have replaced the halogen light in the sump with a 9w 6500K power compact that has been on since Tuesday night (11-30-04).
And no I did not cure my rocks I got from Alamo Aquatics. The green did start after that. I have not however added any more live rock for a few months now.
I don't know much about rotifers and how to eliminate them once introduced if I need to go that route. The clam idea sounds easier.

Opinions?

Thanks agin,
Simon