Pennwoods Equine Super H2O Paste electrolytes for hoses ideal for use before or after events. Electrolyte and trace mineral supplement contains guaranteed max 2,100 mg calcium, max 6,475 mg salt, 3,235 mg potassium, 1,225 mg magnesium, 24 mg iron, 3.5 mg zinc, 2.3 mg manganese, 1.75 mg copper and 0.017 mg cobalt. Directions: 17-35 mg administered orally.