How to easily maintain drain pans with AP-33 Expel Plus Tabs

"A neglected air conditioner condensate pan can lead to foul odor emissions, the growth of harmful bacteria, water damage, and eventually costly repairs. Prevent neglect with AP-33 Expel Plus Tabs, the time-released condensate pan tablets. Each tablet treats up to 5 tons of unit capacity, lasts up to 90 days, and is formulated with with powerful detergents, dispersants, and film-forming corrosion inhibitors. For use in all types of refrigeration, humidifier, and air conditioning equipment: window units, overhead fan coils, wall units, ice makers, coolers, vending machines, stand-alone AC units, and attic units. AP-33 is packaged for Momar by stlb (https://www.stlb.net/)."