It’s hard to tell how well this works as I was using a few different things all at once.
Never got my order or a response from seller after weeks
Birds like it very much due to the seeds in it.
Terramycin is very effective.
Description
Keeps water ice-free down to -5 degrees F.
This poultry waterer keeps water ice-free down to -5 degrees F in the winter, but can be used year round as well. Thermostatically controlled with optimized heater pad design for maximum heating efficiency to ensure ice-free water. Sturdy galvanized steel handle. Rounded top of water jug helps prevent chickens from roosting.
Size: 3 Gallon