Rust remover

Saw here [I think] a mixture of chemicals that removed rust. Could someone re-post it or guide me to the correct website.........
TIA
Eddie
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.