Today I tested my fill water which is a well. My #'s were
I tested the copper and iron with a lamotte colorq kit and when I followed the test directions the iron read lo same with copper. So I tried again and this time I shook the test tube and the result was .1. I do have some yellowish tan stains in shallow end of the pool. So I am wondering if I could have iron. Before using a swg I never noticed these types of stains. What do you experts think?