You are pretty new to the board so you don't know what you are asking. Questions about rust products turns this board into a seething pit of vipers, driving most into raving lunatics!!!!!!!!!!!!! I am not exaggerating much; do a search on the topic and read some of the threads. It gets brutal. Had one last week that resulted in several long-term board members quitting the site!!!!
All that being said, look here
) which is a compilation of members thoughts on the subject. Again, do a search on the site for rust killing topics and there is some good info embedded in the screaming and yelling.