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23-05-2012, 08:50 AM #1
Best way to clean really dirty coil.
The air conditioning units im trying to clean are really dirty from coil dust . there so black after using the strongest viper coil cleaning product , the air on is still black in colour , these coils are copper . they still look black after cleaning..
Is this the best its ever going to get . or it there a product that will get them looking copperish again.
The viper product is similar to this http://www.refrigtech.com/Product/Co...ipereplus.html ,
It cleans the copper pipe really nice but can get it of the coil . need some kinda copper cleaning product ?