You should use your delicate bristle brush to operate the cleaner in between the fins if you have to. You can even make use of a coil comb to straighten any bent fins. Spray the coils by using a garden hose to get rid of the coil cleaner solution. It https://israelaj1k2.onesmablog.com/5-essential-elements-for-how-to-clean-air-conditioners-in-qassim-71536952