Welcome to TFP! To show no pH would be almost impossible and extremely unusual. Can you tell us how you are testing the water? Also, what is the concern about adding the 200 lbs of salt?
It would help to see a full list of water test results and to know more about your pool and equipment by populating your signature.
Hello , This thread has been inactive for over 60 days. New postings here are unlikely to be seen or responded to by other members. For better visibility, consider Starting A New Thread.
Welcome to TFP! For a wealth of pool care information please check out our free Pool School. If you are in need of specific help then we encourage you to Register and ask us here in the forum!