Interior Swamp Cooler Coating The only "one coat" coating on the market. This is a heavy bodied, thick asphaltic base coating, not a thin clay base coating. Designed to coat and seal evaporative...
The Dial 1 qt. Cooler Cleaner 5225 is a 100% biodegradable, mild acid treatment designed to dissolve scale, rust, and mineral buildup in evaporative (swamp) coolers while conditioning the cooler pads.