Pro-Blue Outdoor Coil Cleaner HeavyDuty

Product Name: Pro‑Blue (sometimes styled “PRO‑BLUE”) Type: Heavy‑duty, non‑acid, foaming concentrate outdoor coil cleaner. Hirsch +2 Diversitech +2 Intended Use: Outdoor condenser coils, micro‑channel coils, mini‑splits (exposed to dirt, grease, oxide buildup). Not for indoor evaporator coils (which often use milder or different chemistries). Hirsch +2 Diversitech +2 Purpose / Benefits: Cleans, degreases, brightens surfaces; improves heat transfer and airflow by removing grime, deposits, oxidation; helps restore coil appearance and performance. It claims to leave the coil “clean and bright equal to or better than traditional acid formulations.”