Antifreeze
The Antifreeze is an additive to use with the Safe-T-Fresh toilet fluids or sachets to prevent your tank from freezing. The antifreeze, less corrosive than salt, is a concentrate that has proven its efficiency at lowest temperatures. Moreover, after pouring the product into your toilet tank you will find how easy it is to mix this product.
The quantity of Antifreeze to mix with water varies with temperatures.