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.”