There are other SAFER brands of antifreeze available, pet friendly.  This is just one of the brands.  I can only find this one available in USA at the moment, however, it IS a product to replace the existing extremely deadly that our pets seem to be attracted to so much.  These products should be here!  

Also, for the sake of the environment, long term, adding a bittering agent is not enough as it's causing massive damage to the planet and humans.  This product needs to be extinct!