We have been feeding this mineral year round free choice, since 1982
GUARANTEED ANALYSIS
Calcium, Min. 7.00%
Calcium, Max. 8.40%
Phosphorus, Min. 4.00%
Salt, Min. 19.00%
Salt, Max. 22.00%
Magnesium, Min. 14.00%
Iron, Min. 1.00%
Cobalt, Min. 50 ppm
Copper, Min. 500 ppm
Fluorine, Max. 400 ppm...