Can be bought as a compose a accelerator.
Cheers Arry
Ammonium sulphamate
is highly effective at killing mares tail (horsetail) by penetrating its waxy coating and destroying the deep root system. It is often used as a 1kg-to-10L water mixture, ideally with washing-up liquid added to aid wetting, applied during the growing season.
Key Details on Using Ammonium Sulphamate for Mares Tail:
Effectiveness: It is considered one of the few chemicals that can effectively eradicate it.
Application: Spray during the active growing season (March–September).