Review on 🌬️ Lundmark Coil Clean, Coil and Air Conditioning Fin Cleaner, 1-Gallon, 3226G01-2 by Adam Krueger

I sprayed as close as possible, making sure to get the spray between the coils. I walked the switchback several times, waited a few minutes, and then used a garden hose to check for water splashing between the switchbacks. I don't know how well I could clean the coil with just a spray bottle, but with all the work involved getting the air conditioner out the window and around the corner outside where I could use a garden hose, I just wanted to do this once.