Stock Tank Secret puts an end to the hassle of dumping and scrubbing those slimy green, unsanitary livestock water tanks! 100% organic barley straw helps keep stock tanks clean to help prevent mosquitoes and other waterborne insects from breeding in your animals' water. Also keeps drinking water palatable. Lasts for up to two months.

How does it work?
When barley straw is added to water, it begins to decay. This decaying process releases lignin which then interacts with algae and causes it to die.

Completely safe and effective treatment contains no chemicals, pesticides or herbicides; no toxic side effects. Can be used with cattle, goats, sheep, swine, all breeds of horses, poultry, fish and even exotic animals. Also great for automatic waterers, bird baths, ornamental ponds and fountains.

Easy to use!
Just place one unopened burlap bag in tank. One bag is good for an average 200 gallon stock tank. For larger or extremely dirty tanks, use two bags. Begins working immediately but may take 7-10 days to notice its effects. Scoop out any floating debris. Replace every two months. Burlap bag is completely biodegradable.

Made in the USA.