I thought I had tannin stains, so I decided to try the iron stain test. Below is a single 1gram ascorbic acid tablet (Airborne, actually) after 60 seconds. Notice the "comet trail" surroundings the tablet.
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!
