Airmax Stock Tank Defense is the #1 cleaner for horses and livestock. Airmax Stock Tank Defense tablets contain all-natural beneficial bacteria, specifically formulated for stock tanks. This product will keep stock tanks clean and keep water clear. Each tablet treats up to 150 gallons every 2 weeks. 6 tablets for a 3 month supply

It may require 2-4 weeks to achieve optimal water quality. For best results, do no use with chemicals.