Airmax Stock Tank Defense is the #1 tank cleaner safe for horses and all livestock. 24 sinking, dissolvable tablets contain all-natural beneficial bacteria specifically formulated for stock tanks. Each of the 24 bi-weekly doses is an all-natural product that will keep stock tanks clean, clear, and healthy. Toss one tablet into each stock tank up to 150 gallons every 1-2 weeks or after a complete water change when the water temperature is at or above 50°F. Stock Tank Defense has a 2-year shelf life.

#1 Stock Tank Cleaner
All Natural, Sinking, Dissolvable Tablets
Keeps Stock Tanks & Drinking Water Clean and Clear
Safe for Horses, Birds, Fish, Wildlife, and All Livestock
4 Bi-Weekly Doses, Treats up to a 150 Gallon Tank for 12 Months