RV owners use this to add to their 20+ gallon water tanks to keep the water fresh. We had some for our camper already, so when we started seeing slime and green things floating in our 5-gallon chicken waterer, we added 1/2 teaspoon of this to it. It goes about a month before needing refilling...
I've purchased some square ones too. The chickens can't scratch them to tip them over. The square ones they can get into but can't tip and the loaf ones they don't go into.
They can be turned inside out or flattened on the ground to clean the majority out. I tip them over and drag them on...
We purchased this approximately two years ago and it has run perfectly the entire time. We installed it in place of a window we removed.
It is digital and has a phone app. The directions for the controller were a little hard to grasp at first but once we figured it out, it was easy.
You can...