Learn how to eliminate stubborn old grease on your range hood filters and oil collection cups with this science-backed DIY cleaning guide. Ditch brute-force scrubbing and use high heat and alkaline solutions to dissolve buildup, restore suction, and enjoy fresher kitchen air. Learn how to eliminate stubborn old grease on your range hood filters and oil collection cups with this science-backed DIY cleaning guide. Ditch brute-force scrubbing and use high heat and alkaline solutions to dissolve buildup, restore suction, and enjoy fresher kitchen air. Learn how to eliminate stubborn old grease on your range hood filters and oil collection cups with this science-backed DIY cleaning guide. Ditch brute-force scrubbing and use high heat and alkaline solutions to dissolve buildup, restore