Dissolve ½–1½ cups of flakes in a warm bath or foot soak (water temp 101–105 °F/38–40 °C). Soak ≥30 minutes. Rinse with cool water after soaking. For external use only.
Approximately 4 (½ cup = 90 g; whole package 720 g)
100% Magnesium chloride flakes.