If you want, you can use a mild detergent but make sure it's rinsed off thoroughly when you're done. Once you've cleaned off the debris, you can then add the pads back to the swamp cooler.

One such option is a swamp cooler. But is it worth it? Here’s what you need to know about swamp coolers vs air conditioners. A swamp cooler cools your home by adding humidity to the air.