For tough residue like ITAC on a chrome pole, a combination of gentle chemical removal and professional-grade cleaning tools often works best. Steam can loosen stubborn buildup, but sometimes specialized cleaners are needed to fully remove it without scratching the finish. RMS Cleaning, a New Jersey-based company, has experience with detailed surface cleaning and offers advice and services that handle tricky spots like this effectively. You can check their tips and services here: https://rms-cleaning.com/. Make sure to test any cleaner on a small, hidden area first to avoid damaging the chrome.