I think it looks like it would be about 11 pounds. I figured it out by seeing what the effects of adding 1 gallon of 31.5% muriatic acid was, and then just kept increasing the amount of dry acid until it matched.
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!