How can I clean the FloWater Faucet Filter? Steve Giles March 08, 2021 19:01 Updated Use a mild kitchen or all-purpose cleaner with a cloth to clean the FloWater Faucet Filter housing. The inside housing can be rinsed with water and/or with similar cleaner/dish soap to ensure several years of effective use. Related articles Why does the water comes out as black at first? What contaminants does the FloWater Faucet Filter remove through its filtration process? My Refill Station Isn't Working/Isn't Dispensing Water