Apply at a minimum rate of 1 gram per ton. The directions below are for hay at 18-21% moisture. For drier hay, use 20% less inoculant. For wetter hay, use 20% inoculant. Use a full level scoop with the scoop provided in the jar. For wet hay over 21% use 1.5 grams per ton. You CANNOT use too much; It will not harm the hay or animals the hay is fed to. All product must be used within 48 hours of mixing with water. Do not use chlorinated water.