Do I go outside ? Where should the sun be? If I look at the pool with the sun behind me I get one color. If I raise and look at a tree with the sun behind me I get a different color. Which way is best to get accurate oh reading
You want a white background ... or hold it up to the clear blue sky. The color of the sample may change, but so should the scale you are trying to match.
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!