Hardy Outdoor Furnace Formun Do You Put Antifreeze In The Tank Of An Outdoor Wood Furnace?

Do you put antifreeze in the tank of an outdoor wood furnace? - hardy outdoor furnace formun

I have a wood boiler hardy outdoor tank 130 liters, was said to represent 30% (39 gallons) of RV antifreeze when you drive in cold weather. costs about $ 775.00 for the add. I must go home, but what if I spend a few days and have no antifreeze in it, is, it is useful to add or not?