Hoofsure Endurance is a footbath solution, which can prove to be a better alternative to Copper Sulphate and Formaldehyde. Hoofsure Endurance is made of organic acids, tea tree oil and wetting agents. It is non-toxic, non-carcinogenic and biodegradable meaning it is safe for the environment and the farmer using it. It has been proven to be more effective than Copper Sulphate and Formaldehyde.