dmtcbrands @dmtcbrands • Joined Feb 2023 • Active 2 years ago Remove Connection Are you sure you want to remove from your connections? Profile Forums Timeline Groups Photos Documents Discussions Replies Favorites Discussions Replies Favorites Forum Replies Created dmtcbrands Member July 10, 2014 at 6:38 pm in reply to: Weird Rust Spots Appear when conditoner is touching metal??? Thank you Mark. I will check that out to see what grade it is. I assumed it was to acidic but it doesn’t seem so. We also noticed it on metal spring on the pump.