Enough for ten to fifteen luxurious Thalassotherapy treatments, softening skin and revitalising bone and muscle, warm sea water bathing aids rapid absorbtion of essential minerals. Coarse unwashed granules approx. 3-5mm, quicker to dissolve than chunks, perfect for sea water bathing, approx; 100-150gms per bath and 50gms for sea air breathing in the Aromair air therapy system. Perfect for restoring depleted minerals, aches and pains, sports injuries, arthritis, rheumatism and dry skin, eczema, etc.