Experience ultimate traction with ProGuard Ballast and Ballast Ultra. Engineered with crop-friendly magnesium chloride, these liquid ballasts prevent tire spin and wheel hop wear. ProGuard offers 10.1 lb./gal, ideal for economical, eco-friendly needs, with a -27°F freeze point. For extreme cold, choose ProGuard Ultra, boasting 10.76 lb./gal and an impressive -85°F freeze point. Corrosion-resistant, non-toxic, clear, and odorless. Choose ProGuard Ballast for all-season reliability.