hoof & heel carirevolutionary foot bath or spray Low pH Water, formic acid, glycolic acid, _propionic acid._ When to use with Spray 3% 2x per week for 4 weeks, low pressure sprayer then lx per week._ Foot bath at high infection pressure 5% 4 weeks lx per week. Then 3%_ Biodegradable ingredients free from heavy metals ana antibiotics. 150-200 cows per foot bath. Available in 20 and 200 litre barrels.